/* ─────────────────────────────────────────────────────────────────────────────
   Sunrise Calendar – Stylesheet
   Font: Inter (loaded from Google Fonts in index.php)
───────────────────────────────────────────────────────────────────────────── */

/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
    --font: 'Inter', system-ui, -apple-system, sans-serif;

    /* Header gradient – overridden by JS with time-of-day colours */
    --grad-start: #FF9A5C;
    --grad-end:   #FF6B6B;

    --bg:          #F6F7F9;
    --surface:     #FFFFFF;
    --border:      #E8EAED;
    --text-primary:   #1A1A2E;
    --text-secondary: #6B7280;
    --text-inverse:   rgba(255,255,255,0.95);
    --text-inv-soft:  rgba(255,255,255,0.7);

    --accent:      #4A90E2;
    --today-ring:  rgba(255,255,255,0.9);

    --header-h:     168px;  /* total header height */
    --strip-h:       64px;
    --tabs-h:        40px;
    --allday-min:    36px;

    --hour-h:        60px;  /* 1 hour = 60 px in grids */
    --time-col-w:    52px;

    --radius-sm:  6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --shadow-card: 0 2px 8px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --shadow-now:  0 0 0 3px rgba(255,255,255,.4);

    --transition: 200ms cubic-bezier(.4,0,.2,1);
}

html, body {
    height: 100%;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

button { font-family: var(--font); cursor: pointer; border: none; background: none; }
a      { text-decoration: none; color: inherit; }

/* ── Login page ───────────────────────────────────────────────────────────── */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.login-bg {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #FF9A5C 0%, #FF6B6B 40%, #C850C0 80%, #4158D0 100%);
    z-index: 0;
}

.login-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 70%, rgba(255,255,255,.15) 0%, transparent 60%);
}

.login-card {
    position: relative;
    z-index: 1;
    background: rgba(255,255,255,.15);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255,255,255,.3);
    border-radius: var(--radius-lg);
    padding: 48px 40px 40px;
    text-align: center;
    width: min(380px, 90vw);
    color: white;
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

.login-logo  { margin-bottom: 20px; }
.login-logo svg { filter: drop-shadow(0 4px 16px rgba(0,0,0,.2)); }

.login-title {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -.02em;
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: .95rem;
    opacity: .8;
    margin-bottom: 36px;
}

.login-error {
    background: rgba(255,50,50,.25);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: .85rem;
    margin-bottom: 20px;
}

.btn-google-signin {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: white;
    color: #3C4043;
    font-size: .95rem;
    font-weight: 500;
    padding: 14px 28px;
    border-radius: 50px;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 4px 16px rgba(0,0,0,.2);
    margin-bottom: 28px;
}

.btn-google-signin:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.btn-google-signin:active { transform: translateY(0); }

.google-icon { width: 18px; height: 18px; flex-shrink: 0; }

.login-note {
    font-size: .78rem;
    opacity: .65;
    line-height: 1.6;
}

/* ── App shell ────────────────────────────────────────────────────────────── */

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ── Header ───────────────────────────────────────────────────────────────── */

.app-header {
    background: linear-gradient(160deg, var(--grad-start), var(--grad-end));
    color: white;
    flex-shrink: 0;
    padding: 0 16px;
    transition: background 2s ease;
    box-shadow: 0 2px 20px rgba(0,0,0,.15);
    z-index: 100;
}

/* Top row */
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0 4px;
    gap: 12px;
}

.header-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.header-time-row {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

/* ── Weather widget ───────────────────────────────────────────────────────── */

.weather-widget {
    display: flex;
    align-items: center;
    gap: 5px;
    color: rgba(255,255,255,.9);
    min-height: 18px;
}

.weather-icon {
    font-size: 1rem;
    line-height: 1;
}

.weather-temp {
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: -.01em;
}

.weather-desc {
    font-size: .75rem;
    font-weight: 400;
    opacity: .8;
}

.header-time {
    font-size: 2.4rem;
    font-weight: 300;
    letter-spacing: -.04em;
    line-height: 1;
}

.header-ampm {
    font-size: 1rem;
    font-weight: 400;
    opacity: .8;
}

.header-date-label {
    font-size: .88rem;
    font-weight: 500;
    opacity: .85;
    flex: 1;
    text-align: center;
    letter-spacing: .01em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.btn-today {
    font-size: .8rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 50px;
    background: rgba(255,255,255,.22);
    color: white;
    border: 1px solid rgba(255,255,255,.35);
    transition: background var(--transition);
    letter-spacing: .02em;
    text-transform: uppercase;
}
.btn-today:hover { background: rgba(255,255,255,.35); }

.btn-user {
    width: 34px; height: 34px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,.22);
    color: white;
    border: 1px solid rgba(255,255,255,.35);
    transition: background var(--transition);
}
.btn-user:hover { background: rgba(255,255,255,.35); }

/* User dropdown */
.user-menu { position: relative; }

.user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 220px;
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0,0,0,.18);
    border: 1px solid var(--border);
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px) scale(.97);
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
    z-index: 200;
}

.user-dropdown.open {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.user-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF9A5C, #C850C0);
    flex-shrink: 0;
    overflow: hidden;
}
.user-avatar img { width: 100%; height: 100%; object-fit: cover; }

.user-name  { font-size: .9rem; font-weight: 600; color: var(--text-primary); }
.user-email { font-size: .78rem; color: var(--text-secondary); }

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    font-size: .875rem;
    color: var(--text-primary);
    transition: background var(--transition);
}
.dropdown-item:hover { background: var(--bg); }
.dropdown-signout { color: #E53935; }

/* Date navigation strip */
.date-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 0 6px;
}

.nav-arrow {
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    color: white;
    flex-shrink: 0;
    background: rgba(255,255,255,.15);
    transition: background var(--transition);
}
.nav-arrow:hover { background: rgba(255,255,255,.3); }

.date-strip-scroll {
    flex: 1;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.date-strip-scroll::-webkit-scrollbar { display: none; }

.date-strip {
    display: flex;
    gap: 4px;
    padding: 2px 4px;
}

.date-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 42px;
    padding: 6px 4px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition);
    flex-shrink: 0;
}
.date-chip:hover { background: rgba(255,255,255,.2); }
.date-chip.active {
    background: rgba(255,255,255,.9);
}

.date-chip-dow {
    font-size: .62rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    opacity: .75;
    color: white;
}
.date-chip.active .date-chip-dow { color: var(--grad-end); opacity: 1; }

.date-chip-num {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    line-height: 1.3;
}
.date-chip.active .date-chip-num { color: var(--grad-end); }

.date-chip.is-today .date-chip-num {
    text-shadow: 0 0 0 2px rgba(255,255,255,.5);
}

.date-chip-dot {
    width: 4px; height: 4px;
    border-radius: 50%;
    background: rgba(255,255,255,.8);
    margin-top: 3px;
    opacity: 0;
    transition: opacity var(--transition);
}
.date-chip.has-events .date-chip-dot { opacity: 1; }
.date-chip.active .date-chip-dot { background: var(--grad-end); }

/* View tabs */
.view-tabs {
    display: flex;
    gap: 0;
    padding-bottom: 0;
}

.view-tab {
    padding: 8px 20px;
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: rgba(255,255,255,.6);
    border-bottom: 2px solid transparent;
    border-radius: 0;
    transition: color var(--transition), border-color var(--transition);
}
.view-tab:hover   { color: rgba(255,255,255,.9); }
.view-tab.active  { color: white; border-bottom-color: white; }

/* ── Main content ─────────────────────────────────────────────────────────── */

#main-content {
    flex: 1;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* ── Loading overlay ──────────────────────────────────────────────────────── */

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(246,247,249,.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    backdrop-filter: blur(2px);
}

.spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── View base ────────────────────────────────────────────────────────────── */

.view {
    display: none;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    animation: fadeIn 180ms ease;
}
.view.active { display: flex; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ── All-day strip (Day view) ─────────────────────────────────────────────── */

.allday-strip {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 12px 8px calc(var(--time-col-w) + 12px);
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    min-height: var(--allday-min);
    flex-shrink: 0;
}

.allday-label {
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-secondary);
    padding-top: 4px;
    flex-shrink: 0;
    position: absolute;
    left: 0;
    width: var(--time-col-w);
    text-align: right;
    padding-right: 10px;
}

.allday-events {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

/* ── Day scroll container ─────────────────────────────────────────────────── */

.day-scroll-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--surface);
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}
.day-scroll-container::-webkit-scrollbar { width: 6px; }
.day-scroll-container::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Time grid ────────────────────────────────────────────────────────────── */

.time-grid-wrapper {
    display: flex;
    position: relative;
    min-height: calc(var(--hour-h) * 24);
    padding-bottom: 24px;
}

.time-labels {
    width: var(--time-col-w);
    flex-shrink: 0;
    position: relative;
}

.time-label {
    position: absolute;
    right: 10px;
    font-size: .7rem;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1;
    transform: translateY(-50%);
    white-space: nowrap;
}

/* The main grid column */
.day-grid {
    flex: 1;
    position: relative;
    border-left: 1px solid var(--border);
}

/* Hour lines */
.hour-line {
    position: absolute;
    left: 0; right: 0;
    height: 1px;
    background: var(--border);
}

.half-line {
    position: absolute;
    left: 0; right: 0;
    height: 1px;
    background: var(--border);
    opacity: .4;
    border-top: 1px dashed var(--border);
}

/* ── Current time line ────────────────────────────────────────────────────── */

.now-line {
    position: absolute;
    left: -1px; right: 0;
    height: 2px;
    background: #EA4335;
    z-index: 10;
    pointer-events: none;
}

.now-dot {
    position: absolute;
    left: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #EA4335;
}

/* ── Timed event block ────────────────────────────────────────────────────── */

.event-block {
    position: absolute;
    left: 4px;
    right: 4px;
    border-radius: var(--radius-sm);
    padding: 4px 7px;
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.event-block:hover {
    transform: translateX(2px) scaleX(.98);
    box-shadow: 0 4px 16px rgba(0,0,0,.14);
    z-index: 5;
}

.event-block-inner {
    border-left: 3px solid rgba(0,0,0,.25);
    padding-left: 6px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.event-title {
    font-size: .8rem;
    font-weight: 600;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.event-time-label {
    font-size: .7rem;
    opacity: .8;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
}

/* ── All-day event pill ───────────────────────────────────────────────────── */

.allday-pill {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: .75rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    cursor: pointer;
    transition: filter var(--transition);
}
.allday-pill:hover { filter: brightness(.92); }

/* ── Week view ────────────────────────────────────────────────────────────── */

.view-week { overflow: hidden; }

.week-allday-row {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    flex-shrink: 0;
}

.week-allday-spacer {
    width: var(--time-col-w);
    flex-shrink: 0;
    border-right: 1px solid var(--border);
}

.week-allday-cell {
    flex: 1;
    min-height: 28px;
    padding: 3px;
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    border-right: 1px solid var(--border);
}

.week-scroll-container {
    flex: 1;
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}
.week-scroll-container::-webkit-scrollbar { width: 6px; }
.week-scroll-container::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.week-grid-wrapper {
    display: flex;
    min-height: calc(var(--hour-h) * 24);
    position: relative;
}

.week-time-col {
    width: var(--time-col-w);
    flex-shrink: 0;
    position: relative;
}

.week-day-col {
    flex: 1;
    position: relative;
    border-left: 1px solid var(--border);
}

.week-day-header {
    position: sticky;
    top: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 6px 4px 4px;
    text-align: center;
    z-index: 5;
}

.week-day-header .dow {
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.week-day-header .dom {
    font-size: 1.1rem;
    font-weight: 600;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    margin: 2px auto 0;
    color: var(--text-primary);
}

.week-day-header.is-today .dom {
    background: var(--accent);
    color: white;
}

.week-event-block {
    position: absolute;
    left: 2px;
    right: 2px;
    border-radius: var(--radius-sm);
    padding: 2px 5px;
    overflow: hidden;
    cursor: pointer;
    font-size: .72rem;
    font-weight: 600;
    line-height: 1.3;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition);
}
.week-event-block:hover { transform: scaleX(.96); z-index: 5; }

/* ── Agenda view ──────────────────────────────────────────────────────────── */

.view-agenda { overflow-y: auto; }

.agenda-list {
    max-width: 680px;
    margin: 0 auto;
    padding: 16px 16px 80px;
}

.agenda-day-group { margin-bottom: 24px; }

.agenda-day-header {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 8px 0 10px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 8px;
}

.agenda-day-dow {
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-secondary);
}

.agenda-day-date {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.agenda-day-today-badge {
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    background: var(--accent);
    color: white;
    padding: 2px 8px;
    border-radius: 50px;
}

.agenda-event-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    background: var(--surface);
    border-radius: var(--radius-md);
    margin-bottom: 6px;
    box-shadow: var(--shadow-card);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
    border-left: 4px solid var(--accent);
}
.agenda-event-card:hover {
    transform: translateX(3px);
    box-shadow: 0 4px 20px rgba(0,0,0,.1);
}

.agenda-event-time {
    font-size: .78rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 70px;
    padding-top: 1px;
    flex-shrink: 0;
}

.agenda-event-body { flex: 1; min-width: 0; }

.agenda-event-title {
    font-size: .9rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.agenda-event-cal {
    font-size: .75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.agenda-no-events {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: .88rem;
    font-style: italic;
}

/* ── Empty state ──────────────────────────────────────────────────────────── */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 12px;
    opacity: .4;
    pointer-events: none;
}

.empty-state svg { opacity: .5; }

.empty-state-text {
    font-size: .9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ── Responsive tweaks ────────────────────────────────────────────────────── */

@media (max-width: 600px) {
    :root { --time-col-w: 44px; }

    .header-time  { font-size: 1.8rem; }
    .header-date-label { display: none; }

    .date-chip { min-width: 36px; }
    .date-chip-num { font-size: 1rem; }

    .view-tab { padding: 8px 14px; font-size: .75rem; }

    .agenda-event-time { min-width: 58px; }
}

@media (max-width: 400px) {
    .btn-today { display: none; }
}