:root {
    --bg: #1f222a;
    --bg-elev: #2a2f3a;
    --bg-muted: #252a34;
    --text: #e6e6e6;
    --text-muted: #b8c0cc;
    --primary: #5b9bff;
    --border: #3a3f4a;
}

/* Custom selection highlight */
::selection { background: rgba(91,155,255,.35); color: var(--text); }
::-moz-selection { background: rgba(91,155,255,.35); color: var(--text); }

body { background-color: var(--bg); color: var(--text); }
.navbar, .dropdown-menu { background-color: #171a21 !important; }
.navbar .nav-link, .navbar .navbar-brand, .navbar .navbar-text { color: var(--text-muted) !important; }
.navbar .nav-link.active, .navbar .nav-link:hover { color: var(--text) !important; }

.container { max-width: 1400px; }

.card, .category-card, .modal-content { background-color: var(--bg-elev); color: var(--text); border-color: var(--border); }
.modal-header, .modal-footer { border-color: var(--border); }
.glass-modal {
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    backdrop-filter: blur(12px) saturate(120%);
    box-shadow: 0 28px 80px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.06);
}
.glass-modal .form-control,
.glass-modal .form-select { background-color: var(--bg-muted); color: var(--text); border-color: var(--border); }

.modal-backdrop.show {
    opacity: 1;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
}

.sortable-ghost { opacity: 0.4; }
.sortable-chosen { box-shadow: 0 0 20px rgba(0,0,0,0.2); }

.cards-container { opacity: 0; transform: translateY(20px); animation: fadeInUp 0.5s forwards; }
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

.tree { list-style: none; padding-left: 0; margin: 0; }
.tree .node { display:flex; align-items:center; gap:6px; padding:6px 8px; border-radius:6px; cursor: pointer; color: var(--text-muted); }
.tree .node:hover { background: var(--bg-elev); color: var(--text); }
.tree .node.active { background: #334155; color: var(--text); }
.tree .children { margin-left: 18px; list-style: none; padding-left: 0; }
.tree .toggle { width: 16px; text-align:center; color: var(--text-muted); }
.tree .title { flex:1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* Title inline editor */
#nodeTitle { display: inline-block; max-width: 100%; white-space: normal; word-break: break-word; outline: none; }

/* Dark adjustments for flip cards */
.card-front, .card-back { background: var(--bg-elev) !important; color: var(--text); border: 1px solid var(--border); }
.card-back { background: var(--bg) !important; }
.category-badge { background: #0d6efd !important; }

/* Form controls dark */
.form-control, .form-select, .input-group-text { background-color: var(--bg); color: var(--text); border-color: var(--border); }
.form-control:focus, .form-select:focus { background-color: var(--bg); color: var(--text); border-color: var(--primary); box-shadow: 0 0 0 .2rem rgba(91,155,255,.15); }

/* Alerts */
.alert { background-color: var(--bg-elev); color: var(--text); border-color: var(--border); }
.alert-info { border-left: 4px solid var(--primary); }

/* Override Bootstrap light helpers to dark equivalents */
.bg-light { background-color: var(--bg) !important; color: var(--text) !important; }
.text-muted { color: var(--text-muted) !important; }

/* Buttons tweak for dark */
.btn-primary { background-color: var(--primary); border-color: var(--primary); }
.btn-outline-secondary { color: var(--text); border-color: var(--border); }
.btn-outline-light { color: var(--text); border-color: var(--border); }
.btn-success { background-color: #2ea043; border-color: #2ea043; }

/* Links */
a { color: #8ab4ff; text-decoration: none; }
a:hover { color: #a6c8ff; text-decoration: none; }

/* Cards and tables details */
.card-header { background: var(--bg); border-bottom: 1px solid var(--border); }
.table { color: var(--text); }
.table td, .table th { border-color: var(--border) !important; }
.table-striped > tbody > tr:nth-of-type(odd) { --bs-table-accent-bg: var(--bg-elev); color: var(--text); }
.table-striped > tbody > tr { background-color: var(--bg) !important; }

/* Page blocks */
.page-blocks { min-height: 60vh; padding: 16px; padding-bottom: 120px; border: 1px dashed var(--border); border-radius: 8px; background: var(--bg-elev); }
.blocks { list-style: none; padding-left: 0; margin: 0; }
.block { padding: 6px 8px; border-radius: 6px; }
.block-row { display: flex; align-items: flex-start; gap: 8px; min-width: 0; }
.block:hover { background: var(--bg); }
.blk-handle { cursor: grab; color: var(--text-muted); user-select: none; padding: 2px 4px; opacity: 0; transition: opacity .15s ease; }
.block-row:hover .blk-handle { opacity: 1; }
.blk-input { flex: 1 1 auto; min-height: 28px; outline: none; min-width: 0; white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere; }
.blk-hint { margin-top: 8px; cursor: text; }
.blk-input:empty:before { content: attr(data-placeholder); color: var(--text-muted); }

/* Flashcard styles */
.block.card-q .blk-input { position: relative; flex: 0 1 auto; display: inline-block; max-width: calc(100% - 28px); }
.block.card-q .card-arrow { margin-left: 6px; font-size: .8rem; color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 0 6px; line-height: 18px; height: 18px; display: inline-flex; align-items: center; background: var(--bg); box-shadow: 0 1px 2px rgba(0,0,0,.3); cursor: pointer; }
.block.card-q .card-arrow { transition: transform .15s ease, opacity .15s ease; }
.block.collapsed .card-arrow { opacity: .8; transform: rotate(-90deg); }
/* Study button for cards */
.block .card-study-btn { margin-left: 6px; font-size: .8rem; color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 0 6px; line-height: 18px; height: 18px; display: inline-flex; align-items: center; background: var(--bg); box-shadow: 0 1px 2px rgba(0,0,0,.3); cursor: pointer; }
.block .card-study-btn:hover { background: var(--bg-elev); }
/* Heading toggle arrow */
.block .hdr-arrow { display:none; margin-left: 6px; font-size: .8rem; color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 0 6px; line-height: 18px; height: 18px; align-items: center; background: var(--bg); box-shadow: 0 1px 2px rgba(0,0,0,.3); cursor: pointer; }
.block.has-children .hdr-arrow { display:inline-flex; }
.block.collapsed .hdr-arrow { opacity: .8; transform: rotate(-90deg); transition: transform .15s ease, opacity .15s ease; }
.block.collapsed > .children { display: none; }

/* Table block */
.block.table .tbl { width: 100%; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--bg-elev); box-shadow: 0 6px 20px rgba(0,0,0,.25); }
.block.table .tbl-heading { padding: 10px 12px; font-weight: 700; outline: none; border-bottom: 1px solid var(--border); background: var(--bg-elev); text-align: center; font-size: 1.1rem; color: var(--text); }
.block.table .tbl-heading:empty:before { content: attr(data-placeholder); color: var(--text-muted); }
.block.table .tbl-row { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--border); background: var(--bg-elev); color: var(--text); }
.block.table .tbl-row:last-child { border-bottom: none; }
.block.table .tbl-cell { padding: 10px 12px; min-height: 34px; outline: none; border-right: 1px solid var(--border); white-space: pre-wrap; word-break: break-word; background: transparent; color: var(--text); }
.block.table .tbl-row .tbl-cell:last-child { border-right: none; }
.block.table .tbl-cell:empty:before { content: attr(data-placeholder); color: var(--text-muted); }
.block.table .tbl-row:nth-child(odd) { background: #252a34; }
.block.table .tbl-row:nth-child(even) { background: #2a2f3a; }
.block.table .tbl-cell:focus { box-shadow: inset 0 0 0 2px rgba(91,155,255,.35); border-color: var(--primary); }

/* Todo block */
.block.todo .todo { display: inline-block; width: auto; max-width: 100%; border: 1px solid var(--border); border-radius: 10px; background: var(--bg-elev); overflow: visible; }
.block.todo .todo-heading { padding: 10px 12px; border-bottom: 1px solid var(--border); font-weight: 700; text-align: center; outline: none; color: var(--text); }
.block.todo .todo-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 6px 10px; border-bottom: 1px solid var(--border); }
.block.todo .todo-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.block.todo .todo-filters { display: flex; gap: 6px; }
.block.todo .todo-btn, .block.todo .todo-filter { font: inherit; font-size: 12px; padding: 4px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); cursor: pointer; }
.block.todo .todo-btn[data-tip] { position: relative; }
.block.todo .todo-btn[data-tip]:hover::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 8px); left: 0; background: var(--bg-elev); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; font-size: 12px; white-space: nowrap; box-shadow: 0 6px 18px rgba(0,0,0,.25); z-index: 10; pointer-events: none; }
.block.todo .todo-btn[data-tip]:hover::before { content: ''; position: absolute; bottom: 100%; left: 14px; border-width: 6px; border-style: solid; border-color: var(--bg-elev) transparent transparent transparent; transform: translateY(0); }
.block.todo .todo-filter.active { background: var(--bg-elev); font-weight: 600; }
.block.todo .todo-progress { display: flex; align-items: center; gap: 8px; min-width: 140px; }
.block.todo .todo-progress-text { color: var(--text-muted); font-size: 12px; }
.block.todo .todo-progress-bar { position: relative; width: 120px; height: 6px; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; overflow: hidden; }
.block.todo .todo-progress-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0%; background: var(--primary); }
.block.todo .todo-item { display: flex; align-items: flex-start; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--border); }
.block.todo .todo-item:last-child { border-bottom: none; }
.block.todo .todo-drag { cursor: grab; color: var(--text-muted); user-select: none; line-height: 1; }
.block.todo .todo-check { margin-top: 2px; }
.block.todo .todo-priority { border: none; background: transparent; color: white; cursor: pointer; line-height: 1; }
.block.todo .todo-priority.is-done { color: #39d98a; }
.block.todo .todo-priority:disabled { opacity: .7; cursor: default; }
.block.todo .todo-text { flex: 0 1 auto; outline: none; white-space: pre-wrap; word-break: break-word; color: var(--text); }
.block.todo .todo-text:empty:before { content: 'Beispiel'; color: var(--text-muted); }
.block.todo .todo-item.done .todo-text { text-decoration: line-through; color: var(--text-muted); }
.block.todo .todo-heading.all-done { text-decoration: line-through; color: var(--text-muted); }
.blocks .children { margin: 2px 0 0 22px; list-style: none; padding-left: 0; }

/* Sidebar drag area hint */
.tree.sortable .node { user-select: none; }

/* Block menu */
.blk-menu { position: fixed; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; padding: 6px; z-index: 3000; min-width: 220px; box-shadow: 0 8px 24px rgba(0,0,0,.35); }
.blk-menu .item { display: flex; gap:8px; align-items: center; padding:6px 8px; border-radius:6px; color: var(--text); cursor: pointer; }
.blk-menu .item:hover { background: var(--bg); }
.slash-menu { position:fixed; background: var(--bg-elev); border:1px solid var(--border); border-radius:8px; padding:6px; z-index: 2500; min-width: 260px; box-shadow: 0 8px 24px rgba(0,0,0,.35); }
.slash-menu .item { padding:6px 8px; border-radius:6px; cursor:pointer; }
.slash-menu .item:hover { background: var(--bg); }

/* Variations */
.block.h1 > .block-row > .blk-input { font-size: 1.6rem; font-weight: 700; }
.block.h2 > .block-row > .blk-input { font-size: 1.4rem; font-weight: 700; }
.block.h3 > .block-row > .blk-input { font-size: 1.25rem; font-weight: 700; }
.block.h4 > .block-row > .blk-input { font-size: 1.125rem; font-weight: 700; }
.block.h5 > .block-row > .blk-input { font-size: 1.05rem; font-weight: 700; }
.block.h6 > .block-row > .blk-input { font-size: 1rem; font-weight: 700; letter-spacing: .01em; }
/* Ensure no list bullet prefix appears on headings */
.block.h1 > .block-row > .blk-input::before,
.block.h2 > .block-row > .blk-input::before,
.block.h3 > .block-row > .blk-input::before,
.block.h4 > .block-row > .blk-input::before,
.block.h5 > .block-row > .blk-input::before,
.block.h6 > .block-row > .blk-input::before { content: none !important; display: none !important; }
/* Submenu styling */
.blk-submenu { position: fixed; }
.block.bullet > .block-row > .blk-input { position: relative; }
.block.bullet > .block-row > .blk-input::before { content: '\2022'; color: var(--text-muted); margin-right: 8px; }
.block.todo > .block-row > .blk-input::before { content: '\2610'; color: var(--text-muted); margin-right: 8px; }

/* Cloze blocks */
.block.cloze .cloze-text { flex: 1 1 auto; white-space: pre-wrap; word-break: break-word; color: var(--text); }
.cloze-blank { display: inline-flex; align-items: center; justify-content: center; min-width: 1.25em; height: 1.25em; padding: 0 6px; margin: 0 2px; border: 1px solid var(--border); background: var(--bg); color: var(--text); border-radius: 6px; font-weight: 700; line-height: 1; }
.cloze-blank { cursor: pointer; }
.cloze-blank.revealed { background: rgba(91,155,255,.15); color: var(--text); border-color: var(--primary); }
.cloze-reveal-btn { margin-left: 8px; font-size: .8rem; color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 0 8px; line-height: 24px; height: 26px; display: inline-flex; align-items: center; background: var(--bg); box-shadow: 0 1px 2px rgba(0,0,0,.3); cursor: pointer; }
.cloze-reveal-btn:hover { background: var(--bg-elev); }

/* Pomodoro block */
.block.pomodoro .pomo { background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 12px; box-shadow: 0 2px 10px rgba(0,0,0,.25); }
.block.pomodoro .pomo-header { display:flex; align-items:center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }

/* Flashcard Review Overlay */
.cr-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 5000; }
.cr-overlay { backdrop-filter: blur(6px); }
.cr-modal { width: min(860px, 92vw); max-height: 86vh; background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; box-shadow: 0 28px 80px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.06); display:flex; flex-direction: column; overflow: hidden; backdrop-filter: saturate(120%); }
.cr-header { display:flex; align-items:center; justify-content: center; position: relative; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.cr-title { font-weight: 700; letter-spacing: .2px; text-align:center; flex:1;}
.cr-close { border:0; background:transparent; color: var(--text); font-size: 22px; line-height: 1; cursor: pointer; border-radius: 8px; padding: 2px 6px; }
.cr-close:hover { background: rgba(255,255,255,.06); }
.cr-body { padding: 20px 24px; overflow: auto; }
.cr-q { display:flex; align-items:center; justify-content:center; min-height: 160px; margin-bottom: 8px; }
.cr-q-text { font-size: 1.6rem; font-weight: 800; text-align: center; max-width: 70ch; line-height: 1.3; }
.cr-a { font-size: 1.08rem; color: var(--text); }
.cr-a.hidden { display:none; }
.cr-list { margin: 0; padding-left: 1.2rem; }
.cr-list > li { margin: 6px 0; }
.cr-footer { padding: 18px; border-top: 1px solid var(--border); display:flex; align-items:center; justify-content: center; gap: 12px; background: rgba(0,0,0,.06); }
.cr-show-btn { padding: 14px 22px; font-weight: 700; border-radius: 12px; border: 0; background: linear-gradient(135deg, #5b7cfa, #6a5bfa); color: #fff; cursor: pointer; box-shadow: 0 8px 20px rgba(91,124,250,.25); }
.cr-footer.revealed .cr-show-btn { display:none; }
.cr-ratings { display:none; gap: 10px; }
.cr-footer.revealed .cr-ratings { display:flex; }
.cr-rate { padding: 12px 14px; border-radius: 10px; border:1px solid var(--border); background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01)); color: var(--text); cursor: pointer; box-shadow: inset 0 1px 0 rgba(255,255,255,.04); display:flex; flex-direction:column; align-items:center; gap:4px; font-weight:600; }
.cr-rate:hover { filter: brightness(1.1); }
.cr-rate-icon { font-size:1.2rem; line-height:1; }
.cr-rate-interval { font-size:.75rem; color: var(--text-muted); }
.cr-rate.skip { background:#374151; border-color:#4b5563; }
.cr-rate.forgot { background:#7f1d1d; border-color:#b91c1c; }
.cr-rate.hard { background:#78350f; border-color:#b45309; }
.cr-rate.good { background:#065f46; border-color:#059669; }
.cr-rate.easy { background:#1e3a8a; border-color:#3b82f6; }
.cr-open { overflow: hidden; }
.block.pomodoro .pomo-title { font-weight: 600; outline: none; }
.block.pomodoro .pomo-phase { display:none; }
.block.pomodoro .pomo-tabs { display:flex; gap: 8px; background: var(--bg-elev); border: 1px solid var(--border); padding: 4px; border-radius: 999px; }
.block.pomodoro .pomo-tab { background: transparent; color: var(--text-muted); border: 0; padding: 6px 10px; border-radius: 999px; cursor: pointer; font-weight: 600; }
.block.pomodoro .pomo-tab.active { background: var(--primary); color: #0b1220; }
.block.pomodoro .pomo-main { display:flex; flex-direction: column; align-items: stretch; gap: 8px; }
.block.pomodoro .pomo-time { font-size: 2.4rem; font-weight: 700; letter-spacing: 1px; text-align: center; }
.block.pomodoro .pomo-progress { height: 8px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
.block.pomodoro .pomo-progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--primary), #7cc0ff); transition: width .25s ease; }
.block.pomodoro .pomo-footer { display:flex; align-items:center; justify-content: space-between; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.block.pomodoro .pomo-toolbar { display:flex; gap: 8px; }
.block.pomodoro .pomo-actions { gap: 10px; }
.block.pomodoro .pomo-btn { background: var(--bg-elev); border: 1px solid var(--border); color: var(--text); font-weight: 600; padding: 8px 12px; border-radius: 8px; cursor: pointer; box-shadow: 0 2px 6px rgba(0,0,0,.15); }
.block.pomodoro .pomo-btn.pomo-primary { background: var(--primary); border-color: var(--primary); color: #0b1220; width: 44px; height: 44px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-size: 18px; }
.block.pomodoro .pomo-btn.pomo-secondary { width: 44px; height: 44px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-size: 18px; }
.block.pomodoro .pomo-btn:hover { filter: brightness(1.05); }
.block.pomodoro.is-running .pomo-btn[data-key="start"] { background: #374151; border-color: #374151; color: var(--text); }
.block.pomodoro .pomo-sound { display:flex; align-items:center; gap: 10px; }
.block.pomodoro .pomo-sound-label { color: var(--text-muted); font-size: .9rem; }
.block.pomodoro .pomo-sound input[type="range"] { width: 120px; }
/* Switch */
.block.pomodoro .pomo-switch { position: relative; display: inline-block; width: 40px; height: 22px; }
.block.pomodoro .pomo-switch input { opacity: 0; width: 0; height: 0; }
.block.pomodoro .pomo-switch .slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #4b5563; transition: .2s; border-radius: 999px; }
.block.pomodoro .pomo-switch .slider:before { position: absolute; content: ""; height: 16px; width: 16px; left: 3px; bottom: 3px; background-color: white; transition: .2s; border-radius: 50%; }
.block.pomodoro .pomo-switch input:checked + .slider { background-color: var(--primary); }
.block.pomodoro .pomo-switch input:checked + .slider:before { transform: translateX(18px); }

/* Modern selects + visuals */
.block.pomodoro .pomo-select { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; outline: none; box-shadow: 0 1px 2px rgba(0,0,0,.25) inset; }
.block.pomodoro .pomo-select:focus { border-color: var(--primary); box-shadow: 0 0 0 .15rem rgba(91,155,255,.15); }
.block.pomodoro .pomo-visual-ctrl { display:flex; align-items:center; gap: 10px; }
.block.pomodoro .pomo-ring { display: grid; place-items: center; margin: 4px auto 0; }
.block.pomodoro .pomo-ring svg { grid-area: 1 / 1; transform: rotate(-90deg); }
.block.pomodoro .pomo-ring .pomo-ring-center { grid-area: 1 / 1; font-size: 2rem; font-weight: 700; letter-spacing: 1px; }
.block.pomodoro .pomo-ring-track { stroke: var(--bg-elev); }
.block.pomodoro .pomo-ring-arc { stroke: var(--primary); stroke-linecap: round; transition: stroke-dashoffset .25s ease; }

/* Gear button */
.block.pomodoro .pomo-gear { background: transparent; border: 1px solid var(--border); color: var(--text-muted); width: 32px; height: 32px; border-radius: 999px; display:inline-flex; align-items:center; justify-content:center; cursor:pointer; }
.block.pomodoro .pomo-gear:hover { color: var(--text); background: var(--bg-elev); }

/* Themes */
.block.pomodoro .pomo.pomo-theme-solid { background: var(--bg); }
.block.pomodoro .pomo.pomo-theme-gradient-global { background: linear-gradient(135deg, #1f2937 0%, #0f172a 100%); }
.block.pomodoro .pomo.pomo-theme-gradient-phase-focus { background: linear-gradient(135deg, #1e3a8a 0%, #0ea5e9 100%); }
.block.pomodoro .pomo.pomo-theme-gradient-phase-break { background: linear-gradient(135deg, #065f46 0%, #10b981 100%); }
.block.pomodoro .pomo.pomo-theme-gradient-phase-long { background: linear-gradient(135deg, #7c2d12 0%, #f59e0b 100%); }

.form-select:disabled {
    cursor: not-allowed;
    background: var(--bg-muted);
    color: var(--text-muted);
}

/* Pop-in animation for modals */
@keyframes pop-in {
  0% { transform: scale(0.95); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}
.animate-pop {
  animation: pop-in 220ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

/* Toasts */
.toast { 
  padding: 10px 12px; 
  border-radius: 10px; 
  border: 1px solid rgba(255,255,255,0.08); 
  background: rgba(17,24,39,0.95); 
  color: #e5e7eb; 
  box-shadow: 0 10px 24px rgba(0,0,0,0.35);
  transform: translateY(0);
  transition: transform 180ms ease, opacity 180ms ease;
}
.toast-info { border-color:#4b5563; }
.toast-success { border-color:#10b981; color:#d1fae5; }
.toast-warn { border-color:#f59e0b; color:#fff7ed; }
.toast-error { border-color:#ef4444; color:#fee2e2; }
.toast-hide { opacity: 0; transform: translateY(-6px); }

/* Landing visuals */
.blob {
  position: absolute;
  border-radius: 9999px;
  filter: blur(40px);
  opacity: 0.45;
  mix-blend-mode: screen;
}
.blob-anim {
  animation: blob-move 18s ease-in-out infinite alternate;
}
@keyframes blob-move {
  0% { transform: translate3d(0,0,0) scale(1); }
  50% { transform: translate3d(12%, -8%, 0) scale(1.08); }
  100% { transform: translate3d(-10%, 6%, 0) scale(0.98); }
}
.glass {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
}
.fade-up { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .6s ease; }
.fade-up.revealed { opacity: 1; transform: translateY(0); }
.shine {
  position: relative; overflow: hidden;
}
.shine::after {
  content: ""; position: absolute; inset: -200%; background: linear-gradient(60deg, transparent 45%, rgba(255,255,255,.18), transparent 55%);
  transform: translateX(-100%); animation: shine 3s linear infinite;
}
@keyframes shine { to { transform: translateX(100%); } }

/* Feature list (no boxes) */
.feature-item { transition: transform .2s ease, color .2s ease; }
.feature-item:hover { transform: translateY(-2px); }
.gline { height: 2px; background: linear-gradient(90deg, rgba(99,102,241,.8), rgba(168,85,247,.8), rgba(236,72,153,.8)); border-radius: 999px; }

/* Landing split sections */
.section-split { display:grid; grid-template-columns: 1fr; gap:2rem; align-items:center; }
@media (min-width: 1024px){ .section-split{ grid-template-columns: 1.1fr 1fr; gap:3.5rem; } }
.gradient-text{ background:linear-gradient(90deg,#c7d2fe,#e9d5ff,#fbcfe8); -webkit-background-clip:text; background-clip:text; color:transparent; }
.chip{ display:inline-flex; align-items:center; gap:.4rem; font-size:.8rem; padding:.35rem .6rem; border-radius:999px; border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.06); }
.preview-wrap{ position:relative; }
.preview-card{ position:relative; border:1px solid rgba(255,255,255,.14); border-radius:16px; padding:18px; background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)); box-shadow:0 20px 40px rgba(0,0,0,.35);}
.preview-card:hover{ transform:translateY(-2px); transition:transform .2s ease; }
.code{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size:.85rem; line-height:1.4; white-space:pre-wrap; color:#e5e7eb; }
.soft-muted{ color:#a1a1aa; }
.ring-glow{ box-shadow:0 0 0 0 rgba(129,140,248,.35); transition: box-shadow .25s ease; }
.ring-glow:hover{ box-shadow:0 0 0 8px rgba(99,102,241,.12); }

/* Spacious feature sections */
.feature-block{ padding-top:5rem; padding-bottom:5rem; }
.feature-block .headline{ font-size:2.25rem; line-height:1.15; }
@media (min-width:1024px){ .feature-block .headline{ font-size:2.75rem; } }
.halo{
  position:absolute; inset:auto; width:38rem; height:38rem; border-radius:9999px;
  background:radial-gradient(closest-side, rgba(99,102,241,.28), rgba(168,85,247,.18), rgba(236,72,153,.12), transparent 70%);
  filter: blur(24px); opacity:.6; pointer-events:none;
}
.check { display:flex; align-items:flex-start; gap:.6rem; }
.check:before { content:"✔"; color:#a78bfa; font-weight:700; margin-top:.05rem; }
.subtle { color:#cbd5e1; }

/* Landing: Stats strip */
.stats-grid{ display:grid; grid-template-columns:1fr; gap:12px; }
@media (min-width:768px){ .stats-grid{ grid-template-columns:repeat(3,1fr); } }
.stat{ padding:18px; border-radius:16px; display:flex; flex-direction:column; align-items:flex-start; gap:4px; border:1px solid rgba(255,255,255,.10); }
.stat-num{ font-size:1.7rem; font-weight:800; letter-spacing:.2px; }
.stat-label{ color:#94a3b8; font-size:.9rem; }
.tilt{ will-change: transform; transition: transform .18s ease, box-shadow .18s ease; }

/* Landing: Interactive demo flip */
.demo-wrap{ display:grid; grid-template-columns:1fr; gap:18px; align-items:center; }
@media (min-width:1024px){ .demo-wrap{ grid-template-columns:1.1fr 1fr; gap:32px; } }
.demo-copy{ max-width:46ch; }
.demo-flip{ perspective: 1200px; }
.demo-card{ position:relative; width:100%; max-width:520px; margin:0 auto; height:260px; transform-style: preserve-3d; transition: transform .6s cubic-bezier(.2,.8,.2,1); border-radius:16px; }
.demo-flip.is-flipped .demo-card{ transform: rotateY(180deg); }
.demo-face{ position:absolute; inset:0; border-radius:16px; padding:20px; display:flex; flex-direction:column; align-items:flex-start; justify-content:center; gap:10px; backface-visibility: hidden; border:1px solid rgba(255,255,255,.14); background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)); box-shadow:0 20px 40px rgba(0,0,0,.35); }
.demo-a{ transform: rotateY(180deg); }
.demo-eyebrow{ font-size:.8rem; color:#a1a1aa; }
.demo-text{ font-size:1.25rem; font-weight:700; line-height:1.25; }
.demo-cta{ margin-top:8px; font-size:.85rem; color:#94a3b8; }

/* Landing: Gamification visuals */
.heat-grid{ display:grid; grid-template-columns: repeat(5, 1fr); gap:6px; }
.heat{ display:block; width:18px; height:18px; border-radius:4px; background:#1f2937; border:1px solid rgba(255,255,255,.06); }
.heat.warm{ background:#3b82f6; }
.heat.hot{ background:#8b5cf6; }
.badge-grid{ display:grid; grid-template-columns: repeat(6, 1fr); gap:8px; }
.badge{ aspect-ratio:1/1; display:flex; align-items:center; justify-content:center; font-weight:800; border-radius:12px; color:#fff; background:linear-gradient(135deg,#6366f1,#ec4899); box-shadow:0 8px 20px rgba(0,0,0,.25); border:1px solid rgba(255,255,255,.12); font-size:.85rem; }
.badge.locked{ color:#94a3b8; background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); }

/* Landing: Confetti */
.confetti-piece{ position: fixed; width:8px; height:12px; top:0; left:0; opacity:0; pointer-events:none; will-change: transform, opacity; }

/* Landing: SR visuals */
.due-chart{ display:flex; align-items:flex-end; gap:6px; height:96px; }
.due-bar{ width:10px; height:56px; border-radius:3px; background: linear-gradient(180deg, rgba(129,140,248,.65), rgba(168,85,247,.55)); box-shadow:0 6px 12px rgba(0,0,0,.25); }
.due-bar.tall{ height:88px; }
.due-bar.small{ height:44px; }
.due-bar.tiny{ height:28px; }
.schedule-strip{ display:flex; gap:6px; }
.schedule-strip .slot{ width:16px; height:8px; border-radius:999px; background:#1f2937; border:1px solid rgba(255,255,255,.06); }
.schedule-strip .slot.warm{ background:#3b82f6; }
.schedule-strip .slot.hot{ background:#8b5cf6; }

/* Landing: Flow builder preview */
.flow-row{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:12px; }
.flow-chip{ display:inline-flex; align-items:center; gap:.35rem; padding:.35rem .6rem; border-radius:999px; border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.06); font-size:.8rem; }
.session-mini{ margin-top:6px; display:flex; align-items:center; gap:12px; border:1px solid rgba(255,255,255,.12); border-radius:12px; padding:10px 12px; background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)); }
.session-mini .ring{ width:24px; height:24px; border-radius:999px; border:3px solid rgba(129,140,248,.65); border-top-color:#8b5cf6; animation: spin 1.2s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.session-mini .info{ flex:1; }
.session-mini .title{ font-weight:700; letter-spacing:.2px; }
.session-mini .muted{ color:#94a3b8; font-size:.8rem; }
.session-mini .go{ background:#4f46e5; color:white; border:0; border-radius:8px; padding:8px 12px; font-weight:700; cursor:pointer; }

/* Landing: Gallery decks */
.preview-card.gallery{ display:grid; grid-template-columns:1fr; gap:10px; }
.deck{ border:1px solid rgba(255,255,255,.12); border-radius:12px; padding:10px 12px; background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)); }
.deck-title{ font-weight:700; margin-bottom:6px; }
.deck-bar{ position:relative; height:8px; border-radius:999px; background:#1f2937; overflow:hidden; }
.deck-bar > span{ position:absolute; inset:0 auto 0 0; height:100%; background:linear-gradient(90deg, #6366f1, #a855f7, #ec4899); border-radius:999px; }

/* Landing: Import */
.file-chip{ display:inline-flex; align-items:center; gap:.4rem; font-size:.8rem; padding:.35rem .6rem; border-radius:999px; border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.06); }
.import-progress{ position:relative; height:10px; border-radius:999px; background:#1f2937; overflow:hidden; border:1px solid rgba(255,255,255,.1); }
.import-progress .fill{ position:absolute; inset:0 auto 0 0; height:100%; background:linear-gradient(90deg,#6366f1,#a855f7,#ec4899); border-radius:999px; box-shadow:0 4px 10px rgba(0,0,0,.25); }
.import-steps{ display:flex; gap:8px; margin-top:10px; }
.step{ font-size:.75rem; color:#94a3b8; padding:.25rem .5rem; border-radius:6px; border:1px solid rgba(255,255,255,.1); background:rgba(255,255,255,.04); }
.step.done{ color:#e5e7eb; border-color: rgba(129,140,248,.4); background:rgba(99,102,241,.15); }

/* Landing: Filters & Search */
.filters{ display:flex; gap:8px; flex-wrap:wrap; }
.fchip{ display:inline-flex; align-items:center; gap:.35rem; padding:.35rem .6rem; border-radius:999px; border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.06); font-size:.8rem; color:#cbd5e1; }
.fchip.active{ border-color:#6366f1; background:rgba(99,102,241,.16); color:#e5e7eb; }
.results{ display:grid; grid-template-columns:1fr; gap:10px; }
@media (min-width:640px){ .results{ grid-template-columns:repeat(2,1fr);} }
.result-pill{ border:1px solid rgba(255,255,255,.12); border-radius:12px; padding:10px 12px; background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)); }
.r-title{ font-weight:700; margin-bottom:6px; }
.r-bar{ position:relative; height:8px; border-radius:999px; background:#1f2937; overflow:hidden; }
.r-bar > span{ position:absolute; inset:0 auto 0 0; height:100%; background:linear-gradient(90deg,#22c55e,#a855f7); border-radius:999px; }

/* Landing: Creator Insights */
.spark-grid{ display:grid; grid-template-columns: repeat(14, 1fr); gap:6px; }
.spark{ display:block; width:100%; height:24px; background:#1f2937; border:1px solid rgba(255,255,255,.06); border-radius:4px; }
.spark.h1{ height:12px; }
.spark.h2{ height:18px; }
.spark.h3{ height:28px; }
.spark.h4{ height:36px; }
.spark.h5{ height:44px; }
.metrics{ display:grid; grid-template-columns: repeat(3, 1fr); gap:10px; }
.metric{ border:1px solid rgba(255,255,255,.12); border-radius:12px; padding:10px 12px; background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)); }
.m-title{ color:#a1a1aa; font-size:.8rem; }
.m-value{ font-weight:800; letter-spacing:.2px; }
.trend{ color:#a1a1aa; font-weight:700; font-size:.85rem; margin-left:6px; }
.trend.up{ color:#22c55e; }

/* Stile für den Onboarding Guide */
@keyframes pulse-glow {
    0%, 100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

.quest-icon-pulse {
    animation: pulse-glow 3s infinite ease-in-out;
}

.animate-fade-in {
    animation: fadeIn 0.3s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Dashboard & Gamification Visuals */
.dashboard-widget {
    @apply bg-gray-800/50 border border-white/10 rounded-2xl p-6 shadow-lg;
    transition: all 0.3s ease;
}

.widget-title {
    @apply text-sm font-semibold text-gray-400 mb-2;
}

.achievement-badge {
    @apply bg-gray-800/50 border border-white/10 rounded-xl p-4 text-center transition-all duration-300;
    opacity: 0.4;
    filter: grayscale(1);
}

.achievement-badge.unlocked {
    opacity: 1;
    filter: grayscale(0);
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
}

/* Smooth transitions for view changes */
.view-container {
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

.view-hidden {
    opacity: 0;
    pointer-events: none; /* Klicks deaktivieren, wenn ausgeblendet */
    position: absolute; /* Aus dem Layout-Fluss nehmen */
    top: 1.5rem; /* Entspricht p-6 in Tailwind */
    left: 1.5rem;
    right: 1.5rem;
}

.view-container.active-view {
    position: static; /* Wieder in den Layout-Fluss bringen */
}