/*
 * Whendoist - Global Styles
 * Design tokens are in tokens.css - this file contains app-specific layout and overrides
 */

/* =============================================================================
   App-Specific Layout Tokens
   Note: Color tokens are in tokens.css with legacy aliases for backwards compatibility
   ============================================================================= */

/* Override Pico font with Nunito (brand wordmark stays Quicksand via --font-brand) */
body {
    font-family: var(--font-app, 'Nunito', sans-serif);
}

:root {
    /* Pico CSS overrides */
    --pico-font-size: 15px;
    --pico-container-max-width: 1800px;
    --pico-block-spacing-horizontal: 1rem;
    --pico-form-element-font-family: var(--font-app, 'Nunito', sans-serif);

    /* Layout dimensions */
    --calendar-width: 420px;
    --layout-gap: 1.5rem;
    --content-padding: 3rem;

    /* Task row column layout — defined in tokens.css (single source of truth) */

    /* Calendar specific */
    --calendar-header-bg: var(--primary);
    --calendar-header-text: #FFFFFF;
    --calendar-grid-line: var(--border-subtle);
    --calendar-hour-text: var(--text-secondary);

    /* Now indicator */
    --now: rgba(239, 68, 68, 0.80);
    --now-dot: rgba(239, 68, 68, 0.95);

    /* Chip styling */
    --chip-bg: var(--bg-canvas);
    --chip-border: var(--border-subtle);

    /* Task states */
    --row-bg: var(--bg-surface);
    --task-disabled-opacity: 0.35;

    /* Drop targets (drag & drop) */
    --drop-bg: rgba(109, 94, 246, 0.06);
    --drop-border: rgba(109, 94, 246, 0.22);

    /* Ghost event (reschedule preview) */
    --ghost-bg: rgba(109, 94, 246, 0.08);
    --ghost-border: rgba(109, 94, 246, 0.28);
}

/* =============================================================================
   PWA / Safe Area Support
   ============================================================================= */

/* Ensure body fills viewport including safe areas */
html, body {
    min-height: 100vh;
    min-height: -webkit-fill-available;
    background: var(--bg-canvas);  /* Match header background in both modes */
}

/* Safe area padding for notched devices (browser mode, not PWA)
   PWA mode has specific overrides in mobile.css */
@supports (padding: env(safe-area-inset-top)) {
    .site-header {
        /* Add safe area on top of existing padding, preserve minimum padding */
        padding-top: max(env(safe-area-inset-top), 15px);
        padding-left: max(env(safe-area-inset-left), var(--content-padding));
        padding-right: max(env(safe-area-inset-right), var(--content-padding));
    }

    main.container-fluid {
        padding-left: max(env(safe-area-inset-left), 0.5rem);
        padding-right: max(env(safe-area-inset-right), 0.5rem);
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* =============================================================================
   Layout
   ============================================================================= */

.container-fluid {
    width: 100%;
    max-width: 1100px;
    padding: 0 var(--content-padding);
    margin: 0 auto;
}

/* =============================================================================
   Site Header
   ============================================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    min-height: 80px;  /* Use min-height so safe-area padding can expand it */
    padding: 15px var(--content-padding);  /* Match container-fluid padding */
    display: flex;
    align-items: center;
    max-width: 1100px;  /* Match container-fluid width */
    margin: 0 auto;
}

.header-inner {
    position: relative;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start;
    width: 100%;
    height: 100%;
    gap: 0.75rem;
    box-sizing: border-box;
}

.brand {
    display: inline-flex !important;
    align-items: flex-end !important;
    text-decoration: none;
    gap: 0;
}

/* Icon-only brand for header */
.brand-icon {
    align-items: center !important;
}

.brand-icon svg {
    width: 32px;
    height: 28px;
    flex-shrink: 0;
}

/* Legacy logo support (deprecated) */
img.brand-logo {
    display: block;
    height: 24px;
    width: auto;
}

.version-badge {
    font-size: 0.5rem;
    font-weight: 600;
    color: var(--text-muted, #888);
    background: transparent;
    padding: 0 0 2px 6px;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    align-self: flex-end;
    line-height: 1;
    margin-right: 1.5rem;
    align-self: center;
}

/* =============================================================================
   Header Spacer (pushes right elements to the right)
   ============================================================================= */

.header-spacer {
    flex: 1;
}

/* =============================================================================
   Page Navigation (Thoughts/Tasks/Analytics/Settings)
   ============================================================================= */

.header-nav {
    display: inline-flex !important;
    align-items: center !important;
    flex-shrink: 0 !important;
    background: var(--bg-surface);
    border-radius: 8px;
    padding: 3px;
    height: 32px;
    box-sizing: border-box;
}

.nav-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.75rem;
    height: 26px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.15s ease;
    line-height: 1;
}

.nav-item:hover {
    color: var(--text);
    background: rgba(15, 23, 42, 0.04);
}

/* Patch 34: Active tab - subtle filled state */
.nav-item.active {
    background: rgba(15, 23, 42, 0.06);
    color: var(--text);
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.06);
}

/* =============================================================================
   Logout Button
   ============================================================================= */

.btn-logout {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 32px;
    height: 32px;
    padding: 0;
    color: var(--text-muted);
    text-decoration: none;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    transition: all 0.15s ease;
}

/* Explicit SVG styling for iOS Chrome compatibility */
.btn-logout svg {
    stroke: currentColor;
    stroke-width: 1.75;
    display: block;
    width: 18px;
    height: 18px;
}

/* Force SVG visibility on mobile - iOS Safari fix */
.btn-logout svg,
.btn-logout svg use {
    fill: none;
}

.btn-logout:hover {
    color: var(--text);
    background: var(--bg-panel);
}

/* =============================================================================
   Search Button (mobile only, Telegram-style)
   ============================================================================= */

.header-search-btn {
    display: none; /* Hidden on desktop */
}

/* =============================================================================
   Mobile Responsive Header
   ============================================================================= */

@media (max-width: 900px) {
    .site-header {
        min-height: 60px;  /* Use min-height so safe-area padding can expand it */
        padding: 12px 20px 8px;  /* More horizontal breathing room on mobile */
    }

    .header-inner {
        gap: 12px;
    }

    img.brand-logo {
        height: 18px;
        width: auto;
    }

    /* Smaller icon on mobile - positioned with symmetric padding */
    .brand-icon svg {
        width: 24px;
        height: 21px;
    }

    /* Smaller wordmark on mobile */
    .wm.sm svg {
        width: 14px;
        height: 12px;
        margin-bottom: 1px;
    }
    .wm.sm > span:first-of-type {
        font-size: 1rem;
    }

    .version-badge {
        display: none;
    }

    /* Keep header-nav visible on mobile - no hamburger needed */
    .header-nav {
        padding: 2px;
        height: 28px;
    }

    .nav-item {
        padding: 0 6px;
        height: 24px;
        font-size: 0.7rem;
    }

    /* Logout button visible on mobile */
    .btn-logout {
        width: 28px;
        height: 28px;
    }

    .btn-logout svg {
        width: 14px;
        height: 14px;
        stroke: var(--text-muted);
    }

    /* Telegram-style search button in header — clean icon, same size as logout */
    .header-search-btn {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        padding: 0;
        background: transparent;
        border: none;
        color: var(--text-muted);
        cursor: pointer;
        -webkit-appearance: none;
        appearance: none;
        margin: 0 !important;
        flex-shrink: 0;
        transition: color 0.15s ease;
    }

    .header-search-btn svg {
        width: 16px;
        height: 16px;
        stroke: var(--text-muted);
        stroke-width: 2;
    }

    .header-search-btn:active {
        color: var(--text-secondary);
        transform: scale(0.92);
    }

    /* Hide hamburger menu - keep uniform topbar nav */
    .hamburger-toggle {
        display: none !important;
    }

    main {
        padding: 0;
    }

    main.container-fluid {
        padding-bottom: 0 !important;
    }

    .container-fluid {
        max-width: 100%;
        padding-left: 8px;
        padding-right: 8px;
    }
}

/* =============================================================================
   Settings Page
   ============================================================================= */

.connection-status {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.connected { color: var(--primary); } /* Purple for success/connected states per brand */
.disconnected { color: #dc2626; }

.calendar-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    background: var(--pico-card-background-color);
    border: 1px solid var(--pico-muted-border-color);
}

.calendar-color {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
}

/* =============================================================================
   Toast Notifications - Styles are in static/css/components/loading.css
   ============================================================================= */

/* =============================================================================
   Utility Classes
   ============================================================================= */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--pico-muted-color);
}

/* =============================================================================
   Hamburger Menu & Mobile Navigation
   ============================================================================= */

.hamburger-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 32px;
    height: 32px;
    padding: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.hamburger-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text, #1f2937);
    border-radius: 1px;
    transition: all 0.2s ease;
}

.hamburger-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.hamburger-toggle.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Mobile Navigation Drawer */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--surface, #fff);
    z-index: 100;
    padding: 80px 24px 24px;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav.open {
    display: flex;
}

.mobile-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    font-size: 1.125rem;
    color: var(--text, #1f2937);
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.15s;
}

.mobile-nav a:hover {
    background: var(--surface2, #f3f4f6);
}

.mobile-nav a.active {
    background: var(--primary-tint, #eef2ff);
    color: var(--primary, #6366f1);
}

/* Hamburger menu - disabled, using uniform topbar nav on all screen sizes */
/* @media (max-width: 900px) {
    .hamburger-toggle {
        display: flex;
    }
} */

/* =============================================================================
   Dark Mode Global Overrides
   ============================================================================= */

[data-theme="dark"] body {
    background: var(--bg-canvas);
    color: var(--text-primary);
}

/* .site-header uses var(--bg-surface) which adapts to dark mode automatically */

[data-theme="dark"] .header-nav .nav-item {
    color: var(--text-secondary);
}

[data-theme="dark"] .header-nav .nav-item:hover {
    color: var(--text-primary);
    background: var(--interactive-hover);
}

[data-theme="dark"] .header-nav .nav-item.active {
    color: var(--primary);
    background: var(--primary-tint);
}

[data-theme="dark"] .btn-logout {
    color: var(--text-secondary);
}

[data-theme="dark"] .btn-logout svg {
    stroke: var(--text-secondary);
}

[data-theme="dark"] .btn-logout:hover {
    color: var(--text-primary);
    background: var(--interactive-hover);
}

[data-theme="dark"] .btn-logout:hover svg {
    stroke: var(--text-primary);
}

[data-theme="dark"] .mobile-nav {
    background: var(--bg-surface);
}

[data-theme="dark"] .mobile-nav a {
    color: var(--text-primary);
}

[data-theme="dark"] .mobile-nav a:hover {
    background: var(--interactive-hover);
}

[data-theme="dark"] .mobile-nav a.active {
    background: var(--primary-tint);
    color: var(--primary);
}

[data-theme="dark"] .hamburger-toggle span {
    background: var(--text-primary);
}

/* Toast dark mode - Styles are in static/css/components/loading.css */

/* Pico CSS dark mode overrides */
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--bg-panel);
    color: var(--text-primary);
    border-color: var(--border-default);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
    border-color: var(--primary);
}

/* Dark mode ghost/drop tokens (higher opacity for dark backgrounds) */
[data-theme="dark"] {
    --ghost-bg: rgba(109, 94, 246, 0.14);
    --ghost-border: rgba(109, 94, 246, 0.38);
}