/* =====================================================
   Thoughts  -  Minimal Tab UI
   ===================================================== */

/* Variables - Light */
:root {
    --bg:        #f5f6f8;
    --surface:   #ffffff;
    --border:    #e4e6ea;
    --text:      #1a1d23;
    --text-2:    #6b7280;
    --text-3:    #9ca3af;
    --accent:    #0d6efd;
    --nav-bg:    #ffffff;
    --nav-h:     52px;
    --r:         10px;
    --r-sm:      6px;
    --shadow:    0 1px 4px rgba(0,0,0,.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,.10);
    --ease:      .18s ease;
}

/* Variables - Dark */
[data-theme="dark"] {
    --bg:      #111318;
    --surface: #1c1f26;
    --border:  #2a2d36;
    --text:    #e8eaf0;
    --text-2:  #9ea3b0;
    --text-3:  #555b6a;
    --nav-bg:  #15171d;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: .9rem;
    line-height: 1.5;
    -webkit-tap-highlight-color: transparent;
    transition: background var(--ease), color var(--ease);
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }

/* =====================================================
   NAVBAR
   ===================================================== */
.app-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-h);
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    transition: background var(--ease);
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: .95rem;
    color: var(--text);
}
.nav-brand i { font-size: 1.1rem; color: #f59e0b; }

.nav-actions { display: flex; align-items: center; gap: 6px; }

.nav-icon-btn {
    width: 34px;
    height: 34px;
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    background: var(--bg);
    color: var(--text-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    transition: all var(--ease);
}
.nav-icon-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* =====================================================
   TABS SHELL
   ===================================================== */
.tabs-shell {
    position: sticky;
    top: var(--nav-h);
    z-index: 90;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.tabs-strip-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.tabs-strip-wrap::-webkit-scrollbar { display: none; }

.tabs-strip {
    display: flex;
    align-items: stretch;
    padding: 0 12px;
    gap: 2px;
    min-width: max-content;
}

.cat-tab {
    position: relative;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-2);
    font-size: .85rem;
    font-weight: 600;
    white-space: nowrap;
    transition: color var(--ease);
    border-bottom: 2.5px solid transparent;
    margin-bottom: -1px;
}
.cat-tab:hover { color: var(--text); }
.cat-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
    flex-shrink: 0;
}

.tab-add-btn {
    padding: 12px 14px;
    border: none;
    background: transparent;
    color: var(--text-3);
    font-size: .85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color var(--ease);
}
.tab-add-btn:hover { color: var(--accent); }

/* Category toolbar */
.cat-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 16px 6px;
    border-top: 1px solid var(--border);
    min-height: 36px;
}
.cat-toolbar-name {
    font-size: .72rem;
    font-weight: 700;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: .6px;
}
.cat-toolbar-actions { display: flex; gap: 6px; }

.toolbar-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 99px;
    border: 1.5px solid var(--border);
    background: transparent;
    color: var(--text-2);
    font-size: .72rem;
    font-weight: 600;
    transition: all var(--ease);
}
.toolbar-btn:hover { background: var(--bg); color: var(--text); }
.toolbar-btn.danger:hover { background: #fff0f0; border-color: #dc3545; color: #dc3545; }
[data-theme="dark"] .toolbar-btn.danger:hover { background: #2d1a1a; border-color: #dc3545; color: #f87171; }

/* =====================================================
   PROJECTS PANEL
   ===================================================== */
.projects-panel {
    max-width: 680px;
    margin: 0 auto;
    padding: 16px 14px 100px;
}

/* Project Card */
.project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    margin-bottom: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow var(--ease);
    animation: fadeUp .22s ease both;
}
.project-card:hover { box-shadow: var(--shadow-md); }

/* Header row */
.proj-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 14px 8px;
    cursor: pointer;
    user-select: none;
}

.proj-accent {
    width: 3px;
    height: 36px;
    border-radius: 3px;
    flex-shrink: 0;
}

.proj-info { flex: 1; min-width: 0; }
/* Name + inline task count row */
.proj-name-row {
    display: flex;
    align-items: baseline;
    gap: 7px;
    min-width: 0;
}
.proj-name {
    font-size: .9rem;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 1;
    min-width: 0;
}
.proj-task-inline {
    font-size: .72rem;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
    opacity: .85;
}
.proj-desc {
    font-size: .75rem;
    color: var(--text-2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 1px;
}

.proj-pct {
    font-size: .85rem;
    font-weight: 800;
    flex-shrink: 0;
    color: var(--text-2);
}

.proj-chevron {
    font-size: .7rem;
    color: var(--text-3);
    transition: transform var(--ease);
    flex-shrink: 0;
}
.project-card.open .proj-chevron { transform: rotate(90deg); }

/* 3-dot menu */
.proj-menu-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-3);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .9rem;
    flex-shrink: 0;
    transition: all var(--ease);
}
.proj-menu-btn:hover { background: var(--bg); color: var(--text); }

/* Progress row */
.proj-bar-row { padding: 0 14px 8px; }

.proj-bar-track {
    height: 5px;
    background: var(--bg);
    border-radius: 99px;
    overflow: hidden;
}
.proj-bar-fill {
    height: 100%;
    border-radius: 99px;
    transition: width .5s ease;
}
.proj-task-count {
    font-size: .7rem;
    color: var(--text-3);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
}

/* Deadline */
.proj-deadline {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: .68rem;
    color: var(--text-3);
}
.proj-deadline.overdue { color: #e53e3e; }

/* Tasks section */
.proj-tasks {
    display: none;
    border-top: 1px solid var(--border);
    padding: 8px 10px 10px;
}
.project-card.open .proj-tasks { display: block; }

/* Task row */
.task-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 6px;
    border-radius: var(--r-sm);
    transition: background var(--ease);
    animation: fadeUp .15s ease both;
}
.task-row:hover { background: var(--bg); }
.task-row.done { opacity: .75; }

.task-row input[type="checkbox"] {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    accent-color: #198754;
    flex-shrink: 0;
    cursor: pointer;
}

.task-title {
    flex: 1;
    font-size: .86rem;
    color: var(--text);
    cursor: pointer;
    word-break: break-word;
    transition: color var(--ease);
}
.task-row.done .task-title { text-decoration: line-through; color: var(--text-3); }

/* Priority dot */
.task-p-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}
.task-p-dot.high   { background: #ef4444; }
.task-p-dot.medium { background: #f59e0b; }
.task-p-dot.low    { background: #60a5fa; }

/* Task action buttons */
.task-actions {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity var(--ease);
}
.task-row:hover .task-actions { opacity: 1; }
@media (max-width: 576px) { .task-actions { opacity: 1; } }

.t-btn {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--text-3);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
    transition: all var(--ease);
}
.t-btn:hover { background: var(--bg); color: var(--text); }
.t-btn.del:hover { background: #fff0f0; color: #ef4444; }
[data-theme="dark"] .t-btn.del:hover { background: #2d1a1a; color: #f87171; }

/* Empty tasks */
.tasks-empty {
    text-align: center;
    padding: 12px;
    color: var(--text-3);
    font-size: .8rem;
}

/* Inline add bar */
.inline-add-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    padding: 0 6px;
}
.inline-add-input {
    flex: 1;
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    background: var(--bg);
    color: var(--text);
    font-size: .84rem;
    padding: 6px 10px;
    outline: none;
    font-family: inherit;
    transition: border-color var(--ease);
}
.inline-add-input:focus { border-color: var(--accent); }
.inline-add-input::placeholder { color: var(--text-3); }

.inline-add-save,
.inline-add-cancel {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: var(--r-sm);
    font-size: .8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--ease);
}
.inline-add-save   { background: var(--accent); color: #fff; }
.inline-add-save:hover { opacity: .85; }
.inline-add-cancel { background: var(--bg); color: var(--text-2); border: 1px solid var(--border); }
.inline-add-cancel:hover { background: var(--border); }

.add-task-trigger {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 6px 2px;
    color: var(--text-3);
    font-size: .78rem;
    font-weight: 600;
    border: none;
    background: transparent;
    transition: color var(--ease);
    width: 100%;
    text-align: left;
}
.add-task-trigger:hover { color: var(--accent); }

/* =====================================================
   ADD PROJECT BAR (fixed bottom)
   ===================================================== */
.add-project-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 80;
    display: flex;
    justify-content: center;
    padding: 12px 16px 20px;
    background: linear-gradient(transparent, var(--bg) 40%);
    pointer-events: none;
}
.add-project-btn {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: 99px;
    border: none;
    background: var(--text);
    color: var(--bg);
    font-size: .85rem;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0,0,0,.18);
    transition: all var(--ease);
    font-family: inherit;
}
[data-theme="dark"] .add-project-btn { background: #e8eaf0; color: #111318; }
.add-project-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.22); }

/* =====================================================
   EMPTY STATES
   ===================================================== */
.empty-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 24px;
    gap: 8px;
    color: var(--text-2);
}
.empty-screen i { font-size: 3rem; color: var(--text-3); margin-bottom: 4px; }
.empty-screen h5 { font-size: 1rem; font-weight: 700; color: var(--text); }
.empty-screen p  { font-size: .83rem; color: var(--text-2); max-width: 240px; }

.btn-primary-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 9px 20px;
    border-radius: 99px;
    border: none;
    background: var(--accent);
    color: #fff;
    font-size: .84rem;
    font-weight: 700;
    margin-top: 4px;
    font-family: inherit;
    transition: opacity var(--ease);
}
.btn-primary-pill:hover { opacity: .85; }

/* =====================================================
   DROPDOWN
   ===================================================== */
.dropdown-menu {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    box-shadow: var(--shadow-md);
    padding: 4px;
    min-width: 150px;
    font-size: .84rem;
}
.dropdown-item {
    color: var(--text);
    border-radius: var(--r-sm);
    padding: 7px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background var(--ease);
}
.dropdown-item:hover { background: var(--bg); color: var(--text); }
.dropdown-item.text-danger { color: #ef4444; }
.dropdown-item.text-danger:hover { background: #fff0f0; color: #dc3545; }
[data-theme="dark"] .dropdown-item.text-danger:hover { background: #2d1a1a; }
.dropdown-divider { border-color: var(--border); margin: 3px 0; }

/* =====================================================
   MODALS
   ===================================================== */
.app-modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    color: var(--text);
    box-shadow: var(--shadow-md);
}
.app-modal .modal-header {
    border-bottom: 1px solid var(--border);
    padding: 14px 18px 12px;
}
.app-modal .modal-title { font-size: .95rem; font-weight: 700; color: var(--text); }
.app-modal .modal-body  { padding: 16px 18px; }
.app-modal .modal-footer {
    border-top: 1px solid var(--border);
    padding: 10px 18px 14px;
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.field-group { display: flex; flex-direction: column; gap: 4px; }
.field-label { font-size: .78rem; font-weight: 600; color: var(--text-2); }
.field-label .req { color: #ef4444; }

.field-input {
    width: 100%;
    padding: 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    background: var(--bg);
    color: var(--text);
    font-size: .88rem;
    outline: none;
    font-family: inherit;
    resize: none;
    transition: border-color var(--ease);
}
.field-input:focus { border-color: var(--accent); }
.field-input::placeholder { color: var(--text-3); }
.field-error { font-size: .72rem; color: #ef4444; margin-top: 2px; }

/* Color dots */
.color-dots { display: flex; flex-wrap: wrap; gap: 8px; }
.cdot {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    cursor: pointer;
    border: 2.5px solid transparent;
    transition: transform var(--ease), border-color var(--ease);
}
.cdot:hover  { transform: scale(1.15); }
.cdot.active { border-color: var(--text); transform: scale(1.15); }

/* Priority pills */
.priority-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.ppill {
    padding: 5px 14px;
    border-radius: 99px;
    border: 1.5px solid var(--border);
    font-size: .78rem;
    font-weight: 600;
    color: var(--text-2);
    background: var(--bg);
    cursor: pointer;
    user-select: none;
    transition: all var(--ease);
}
.ppill:hover  { border-color: var(--accent); color: var(--accent); }
.ppill.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Toggle */
.toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: .84rem;
    color: var(--text-2);
}
.toggle-check { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

/* Modal buttons */
.modal-cancel {
    padding: 7px 18px;
    border-radius: 99px;
    border: 1.5px solid var(--border);
    background: transparent;
    color: var(--text-2);
    font-size: .84rem;
    font-weight: 600;
    font-family: inherit;
    transition: all var(--ease);
}
.modal-cancel:hover { background: var(--bg); }

.modal-save {
    padding: 7px 20px;
    border-radius: 99px;
    border: none;
    background: var(--accent);
    color: #fff;
    font-size: .84rem;
    font-weight: 700;
    font-family: inherit;
    transition: opacity var(--ease);
}
.modal-save:hover { opacity: .85; }

.modal-delete {
    padding: 7px 20px;
    border-radius: 99px;
    border: none;
    background: #ef4444;
    color: #fff;
    font-size: .84rem;
    font-weight: 700;
    font-family: inherit;
    transition: opacity var(--ease);
}
.modal-delete:hover { opacity: .85; }

.del-icon {
    width: 54px;
    height: 54px;
    background: #fff0f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 1.5rem;
    color: #ef4444;
}
[data-theme="dark"] .del-icon { background: #2d1a1a; }
.del-msg  { font-size: .9rem; font-weight: 600; color: var(--text); }
.del-warn { font-size: .75rem; color: #ef4444; }

[data-theme="dark"] .btn-close { filter: invert(1) grayscale(1) brightness(2); }

/* =====================================================
   TOASTS
   ===================================================== */
.toast {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    box-shadow: var(--shadow-md);
    min-width: 240px;
    font-size: .84rem;
    color: var(--text);
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes checkPop {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.05); }
    100% { transform: scale(1); }
}
.task-row.check-anim { animation: checkPop .35s ease; }

/* =====================================================
   SCROLLBAR
   ===================================================== */
::-webkit-scrollbar       { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 480px) {
    .cat-tab  { padding: 11px 12px; font-size: .8rem; }
    .proj-name { font-size: .86rem; }
}

/* =====================================================
   LOCK SCREEN
   ===================================================== */
.lock-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    transition: opacity .3s ease;
}

.lock-card {
    width: 100%;
    max-width: 360px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px 32px 32px;
    box-shadow: 0 8px 40px rgba(0,0,0,.12);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    text-align: center;
    animation: lockCardIn .4s cubic-bezier(.34,1.56,.64,1) both;
}

@keyframes lockCardIn {
    from { opacity: 0; transform: scale(.9) translateY(16px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Brand inside lock card */
.lock-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.lock-brand-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
}
.lock-brand-name {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -.4px;
}

.lock-subtitle {
    font-size: .82rem;
    color: var(--text-3);
    margin: 0 0 22px;
}

/* Password input row */
.lock-field-wrap {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    overflow: hidden;
    transition: border-color .18s ease, box-shadow .18s ease;
}
.lock-field-wrap:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(13,110,253,.15);
}
.lock-field-icon {
    padding: 0 10px 0 14px;
    font-size: .9rem;
    color: var(--text-3);
    flex-shrink: 0;
}
.lock-field {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text);
    font-size: .9rem;
    padding: 11px 4px;
    outline: none;
    font-family: inherit;
    letter-spacing: .5px;
}
.lock-field::placeholder { color: var(--text-3); letter-spacing: 0; }

.lock-vis-btn {
    width: 38px;
    height: 38px;
    border: none;
    background: transparent;
    color: var(--text-3);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: .85rem;
    transition: color .18s ease;
    padding: 0;
}
.lock-vis-btn:hover { color: var(--accent); }

/* Error message */
.lock-error {
    font-size: .78rem;
    color: #ef4444;
    margin: 8px 0 0;
    align-self: flex-start;
    display: flex;
    align-items: center;
}

/* Shake animation on wrong password */
@keyframes lockShake {
    0%,100% { transform: translateX(0); }
    20%     { transform: translateX(-7px); }
    40%     { transform: translateX(7px); }
    60%     { transform: translateX(-5px); }
    80%     { transform: translateX(5px); }
}
.lock-field-wrap.shake { animation: lockShake .4s ease; }

/* Unlock button */
.lock-unlock-btn {
    width: 100%;
    margin-top: 18px;
    padding: 12px;
    border: none;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-size: .9rem;
    font-weight: 700;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity .18s ease, transform .18s ease;
}
.lock-unlock-btn:hover  { opacity: .88; transform: translateY(-1px); }
.lock-unlock-btn:active { transform: translateY(0); }

/* Lock button in navbar */
.nav-lock-btn { color: var(--text-2); }
.nav-lock-btn:hover { background: #fff0f0 !important; border-color: #dc3545 !important; color: #dc3545 !important; }
[data-theme="dark"] .nav-lock-btn:hover { background: #2d1a1a !important; border-color: #dc3545 !important; color: #f87171 !important; }