/* DuoCal — тема «Морская свежесть» */

:root {
    --bg: #F4F9FB;
    --bg-alt: #E8F4F8;
    --surface: #FFFFFF;
    --primary: #2B8A9E;
    --primary-dark: #1F6F80;
    --primary-light: #D1EDF3;
    --primary-ghost: #E8F6FA;
    --secondary: #5FBDCF;
    --accent: #F0A050;
    --accent-light: #FFF0DC;
    --text: #1A3A4A;
    --text-mid: #3D6070;
    --text-light: #6B8A96;
    --border: #D4E8EE;
    --border-light: #E8F1F5;
    --success: #4CAF6E;
    --success-light: #E2F5E9;
    --danger: #E05A5A;
    --danger-light: #FDEAEA;
    --partner1: #2B8A9E;
    --partner2: #E07A5F;
    --partner2-soft: #E07A5F22;
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --font: 'Nunito', system-ui, sans-serif;
    --font-display: 'Fraunces', Georgia, serif;
    --shadow: 0 2px 12px rgba(43, 138, 158, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 30px rgba(43, 138, 158, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

#app {
    min-height: 100vh;
}

/* --- Layout --- */
.duocal-app {
    display: flex;
    flex-direction: column;
    position: relative;
    height: 100vh;
    height: 100dvh;
    max-height: 100vh;
    overflow: hidden;
    background: var(--bg);
    font-family: var(--font);
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

.duocal-app header {
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--border-light);
}

.duocal-app header .logo {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--primary);
    font-size: 18px;
}

.duocal-app header .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--partner2-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.duocal-app main {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 16px;
    max-width: 480px;
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
}

.duocal-app nav {
    flex-shrink: 0;
    display: flex;
    justify-content: space-around;
    padding: 8px 12px 18px;
    background: var(--surface);
    border-top: 1px solid var(--border-light);
}

.duocal-app nav button {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 12px;
    transition: all 0.2s;
    position: relative;
}

.duocal-app nav button .tab-icon {
    font-size: 20px;
    padding: 4px 14px;
    border-radius: 10px;
}

.duocal-app nav button.is-active .tab-icon {
    background: var(--primary-ghost);
}

.duocal-app nav button .tab-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-light);
}

.duocal-app nav button.is-active .tab-label {
    font-weight: 700;
    color: var(--primary);
}

.duocal-app nav .tab-badge {
    position: absolute;
    margin-top: -18px;
    margin-left: 18px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--partner2);
    border: 2px solid var(--surface);
}

/* --- Toast --- */
.duocal-toast {
    position: fixed;
    top: 60px;
    left: 16px;
    right: 16px;
    background: var(--surface);
    border-radius: 14px;
    padding: 12px 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 10;
    animation: duocal-slideDown 0.3s ease;
}

.duocal-toast .toast-title { font-size: 13px; font-weight: 700; color: var(--text); }
.duocal-toast .toast-close {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
}

/* --- Calendar --- */
.duocal-section { display: flex; flex-direction: column; gap: 14px; }
.duocal-section--chat { flex: 1; flex-direction: column; height: 100%; }
.duocal-section--lists,
.duocal-section--achievements { gap: 14px; }

.cal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cal-header h2 { font-size: 24px; margin: 0; }
.cal-header .cal-year { font-size: 13px; color: var(--text-light); }
.cal-actions { display: flex; gap: 6px; }

.btn-icon {
    padding: 8px 14px;
    border-radius: 10px;
    border: 1px solid var(--border-light);
    background: var(--surface);
    color: var(--text-mid);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.btn-today {
    padding: 8px 14px;
    border-radius: 10px;
    border: 1px solid var(--border-light);
    background: var(--primary);
    color: var(--surface);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.cal-grid {
    background: var(--surface);
    border-radius: 16px;
    padding: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

.cal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    text-align: center;
}

.cal-weekdays span {
    font-size: 12px;
    color: var(--text-light);
    padding: 6px 0;
    font-weight: 700;
}

.cal-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    text-align: center;
}

.cal-day {
    padding: 6px 2px 4px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s ease;
}

.cal-day.cal-day--other { color: var(--border); cursor: default; }
.cal-day.cal-day--today { color: var(--primary); background: var(--primary-ghost); font-weight: 700; }
.cal-day.cal-day--selected { background: var(--primary); color: var(--surface); font-weight: 700; }
.cal-day .cal-day-dots { display: flex; gap: 2px; justify-content: center; margin-top: 2px; }
.cal-day .cal-day-dots span { width: 5px; height: 5px; border-radius: 50%; }
.cal-day.cal-day--selected .cal-day-dots span { background: rgba(255,255,255,0.7); }

.cal-day-label { font-size: 13px; color: var(--text-light); margin-bottom: 8px; font-weight: 600; }
.cal-empty {
    background: var(--surface);
    border-radius: 14px;
    padding: 24px;
    text-align: center;
    border: 1px solid var(--border-light);
}
.cal-empty .empty-icon { font-size: 28px; margin-bottom: 6px; }
.cal-empty .empty-text { color: var(--text-light); font-size: 14px; }
.btn-add-event {
    margin-top: 10px;
    padding: 8px 16px;
    border-radius: 10px;
    background: var(--primary-light);
    color: var(--primary);
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.cal-event {
    background: var(--surface);
    border-radius: 14px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    cursor: pointer;
}
.cal-event--partner0 { border-left: 4px solid var(--accent); }
.cal-event--partner1 { border-left: 4px solid var(--partner1); }
.cal-event--partner2 { border-left: 4px solid var(--partner2); }
.cal-event .event-icon { font-size: 22px; }
.cal-event .event-title { font-size: 14px; font-weight: 600; color: var(--text); }
.cal-event .event-time { font-size: 12px; color: var(--text-light); }
.tag-partner-0 { background: var(--accent-light); color: var(--accent); }
.tag-partner-1 { background: var(--primary-ghost); color: var(--primary); }
.tag-partner-2 { background: #FDE8E2; color: var(--partner2); }
.event-tag {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 8px;
    font-weight: 600;
}

.btn-add-dashed {
    padding: 12px;
    border-radius: 14px;
    border: 2px dashed var(--border);
    background: transparent;
    color: var(--text-light);
    font-size: 14px;
    cursor: pointer;
    font-weight: 500;
}

.streak-bar {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 14px;
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--surface);
}
.streak-bar .streak-label { font-size: 16px; font-weight: 700; }
.streak-bar .streak-sublabel { font-size: 11px; opacity: 0.85; }
.streak-bar .streak-chart { display: flex; gap: 3px; }
.streak-bar .streak-chart span {
    width: 8px;
    height: 22px;
    border-radius: 4px;
}
.streak-bar .streak-chart span.filled { background: rgba(255,255,255,0.9); }
.streak-bar .streak-chart span.empty { background: rgba(255,255,255,0.25); }

/* --- Chat --- */
.screen-title { font-size: 22px; margin: 0; }
.chat-chips { display: flex; gap: 8px; margin-top: 8px; }
.chip { padding: 8px 14px; border-radius: 10px; font-size: 13px; font-weight: 600; cursor: pointer; border: 1px solid var(--border-light); }
.chip.chip--active { background: var(--primary); color: var(--surface); border-color: var(--primary); }
.chip:not(.chip--active) { background: var(--bg-alt); color: var(--text-mid); }
.chat-messages { flex: 1; display: flex; flex-direction: column; gap: 10px; overflow-y: auto; padding-right: 4px; }
.chat-date { text-align: center; font-size: 12px; color: var(--text-light); padding: 8px 0; }
.chat-date span { background: var(--bg-alt); padding: 4px 12px; border-radius: 10px; }
.chat-row { display: flex; gap: 8px; align-items: flex-end; }
.chat-row.chat-row--me { flex-direction: row-reverse; }
.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--partner2-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.chat-name { font-size: 11px; color: var(--partner2); font-weight: 600; margin-bottom: 2px; margin-left: 4px; }
.chat-bubble {
    padding: 10px 14px;
    font-size: 14px;
    line-height: 1.45;
    max-width: 75%;
}
.chat-bubble--me { background: var(--primary); color: var(--surface); border-radius: 14px 14px 4px 14px; }
.chat-bubble--them { background: var(--surface); color: var(--text); border-radius: 14px 14px 14px 4px; box-shadow: var(--shadow); border: 1px solid var(--border-light); }
.chat-time { font-size: 10px; color: var(--text-light); margin-top: 3px; padding-inline: 4px; }
.chat-time--me { text-align: right; }
.chat-input-wrap {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    background: var(--surface);
    border-radius: 14px;
    padding: 6px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}
.chat-input-wrap input {
    flex: 1;
    border: none;
    outline: none;
    padding: 10px 12px;
    font-size: 14px;
    background: transparent;
    border-radius: 10px;
}
.chat-input-wrap .btn-send {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--primary);
    border: none;
    color: var(--surface);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Lists --- */
.list-tabs { display: flex; gap: 8px; overflow-x: auto; }
.list-tab {
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    border: 1px solid var(--border-light);
    background: var(--surface);
    color: var(--text);
}
.list-tab.is-active { background: var(--primary); color: var(--surface); border-color: var(--primary); box-shadow: var(--shadow); }
.list-progress-wrap {
    background: var(--surface);
    border-radius: 14px;
    padding: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}
.list-progress-header { display: flex; justify-content: space-between; margin-bottom: 8px; }
.list-progress-header .muted { font-size: 13px; color: var(--text-light); }
.list-progress-header .value { font-size: 13px; font-weight: 700; color: var(--primary); }
.list-progress-bar { height: 8px; border-radius: 4px; background: var(--bg-alt); overflow: hidden; }
.list-progress-fill { height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--primary), var(--secondary)); transition: width 0.4s ease; }
.list-items { display: flex; flex-direction: column; gap: 6px; }
.list-item {
    background: var(--surface);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all 0.2s;
}
.list-item.is-done { opacity: 0.65; }
.list-item .item-check {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    flex-shrink: 0;
    border: 2px solid var(--border);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--surface);
    font-size: 13px;
    font-weight: 700;
}
.list-item.is-done .item-check { border: none; background: var(--success); }
.list-item .item-text { font-size: 14px; font-weight: 500; color: var(--text); }
.list-item.is-done .item-text { color: var(--text-light); text-decoration: line-through; }

/* --- Achievements --- */
.ach-streaks {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 16px;
    padding: 20px;
    color: var(--surface);
}
.ach-streaks .subtitle { font-size: 13px; opacity: 0.85; margin-bottom: 12px; font-weight: 600; }
.ach-streaks .streaks-row { display: flex; justify-content: space-between; }
.ach-streaks .streak-item { text-align: center; }
.ach-streaks .streak-item .icon { font-size: 26px; margin-bottom: 4px; }
.ach-streaks .streak-item .count { font-size: 22px; font-weight: 800; }
.ach-streaks .streak-item .unit { font-size: 11px; opacity: 0.8; }
.ach-section-title { font-size: 13px; color: var(--text-light); font-weight: 600; margin-bottom: 8px; }
.ach-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ach-card {
    background: var(--surface);
    border-radius: 14px;
    padding: 14px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    display: flex;
    gap: 10px;
    align-items: center;
}
.ach-card .ach-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--primary-ghost);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}
.ach-card .ach-title { font-size: 13px; font-weight: 700; color: var(--text); }
.ach-card .ach-desc { font-size: 11px; color: var(--text-light); }
.ach-card.ach-card--locked {
    background: var(--bg-alt);
    opacity: 0.6;
}
.ach-card--locked .ach-icon { background: var(--border); filter: grayscale(1); }
.ach-card--locked .ach-title { color: var(--text-mid); }

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text);
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--secondary);
}

button, .btn {
    font-family: var(--font);
    font-weight: 600;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
}

button.primary, .btn-primary {
    background: var(--primary);
    color: var(--surface);
}

button.primary:hover, .btn-primary:hover {
    background: var(--secondary);
    box-shadow: var(--shadow-sm);
}

input, textarea, select {
    font-family: var(--font);
    font-size: 1rem;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.card, .panel {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.card {
    padding: 16px;
}

.partner-1 { color: var(--partner1); }
.partner-2 { color: var(--partner2); }
.bg-partner-1 { background: var(--partner1); }
.bg-partner-2 { background: var(--partner2); }

.text-muted { color: var(--text-light); }
.bg-alt { background: var(--bg-alt); }

/* Прототип: скроллбар, анимации */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

@keyframes duocal-slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}