/* Base Reset & Variables */
:root {
    --primary-bg: #e6e8eb;
    --uat-dark-teal: #166534;
    --uat-teal: #15803d;
    --uat-orange: #de5e1f;
    --av1-color: #0a4b66;
    --av2-color: #de5e1f;
    --anfeca-color: #525c61;
    --audit-color: #008542;
    
    --header-text: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-main: #334155;
    --text-muted: #94a3b8;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-bg);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.main-header {
    background-color: var(--uat-dark-teal);
    color: var(--header-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    border-bottom: 4px solid var(--uat-orange);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 2rem;
    background-color: white;
    color: var(--uat-dark-teal);
    padding: 0.2rem 0.8rem;
    border-radius: 4px;
}

.header-titles h1 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    margin: 0;
    letter-spacing: 0.05em;
}

.header-titles h2 {
    font-size: 0.75rem;
    font-weight: 500;
    margin: 0;
    letter-spacing: 0.1em;
    opacity: 0.9;
}

.header-right {
    text-align: right;
}

.header-right .time {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.header-right .date {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
    margin-top: 0.2rem;
}

/* Main Layout */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.dashboard {
    display: flex;
    width: 100%;
    height: calc(100vh - 84px); /* approx header height */
}

/* Agenda Sidebar */
.agenda-sidebar {
    width: 420px;
    background-color: var(--card-bg);
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0,0,0,0.05);
    z-index: 10;
}

.agenda-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.agenda-header h2 {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.3rem;
    color: var(--uat-dark-teal);
    margin: 0;
}

.badge {
    background-color: #e2e8f0;
    color: var(--text-main);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.3rem 0.6rem;
    border-radius: 999px;
}

.agenda-content {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 2rem;
}

/* Agenda Items */
.room-group {
    margin-bottom: 2rem;
}

.room-title {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.room-title::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 18px;
    margin-right: 10px;
    border-radius: 3px;
}

.room-av1 .room-title { color: var(--av1-color); }
.room-av1 .room-title::before { background-color: var(--av1-color); }

.room-av2 .room-title { color: var(--av2-color); }
.room-av2 .room-title::before { background-color: var(--av2-color); }

.room-anfeca .room-title { color: var(--anfeca-color); }
.room-anfeca .room-title::before { background-color: var(--anfeca-color); }

.room-audit .room-title { color: var(--audit-color); }
.room-audit .room-title::before { background-color: var(--audit-color); }

.event-card {
    background-color: #f8fafc;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.event-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.room-av1 .event-card { border-left-color: var(--av1-color); }
.room-av2 .event-card { border-left-color: var(--av2-color); }
.room-anfeca .event-card { border-left-color: var(--anfeca-color); }
.room-audit .event-card { border-left-color: var(--audit-color); }

.event-time {
    font-size: 0.85rem;
    font-weight: 800;
    margin-bottom: 0.3rem;
}

.room-av1 .event-time { color: var(--av1-color); }
.room-av2 .event-time { color: var(--av2-color); }
.room-anfeca .event-time { color: var(--anfeca-color); }
.room-audit .event-time { color: var(--audit-color); }

.event-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
}

.event-requester {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
    font-style: italic;
}

.event-none {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
    background-color: #f8fafc;
    border-radius: 8px;
    padding: 1rem;
    border-left: 4px dashed var(--border-color);
}

.room-audit .event-none {
    border-left-style: dashed;
    border-left-color: var(--audit-color);
}

/* Calendar Main Area */
.calendar-main {
    flex: 1;
    padding: 0;
    display: flex;
    overflow-y: auto;
}

.calendar-card {
    background-color: var(--card-bg);
    border-radius: 0;
    width: 100%;
    max-width: none;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.calendar-header {
    padding: 2rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.calendar-title-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-btn {
    background-color: var(--primary-bg);
    color: var(--uat-dark-teal);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s, transform 0.1s;
}

.nav-btn:hover {
    background-color: var(--border-color);
}

.nav-btn:active {
    transform: scale(0.95);
}

.calendar-title h2 {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 3rem;
    color: var(--uat-dark-teal);
    margin: 0;
    line-height: 1.1;
}

.calendar-title p {
    color: var(--uat-orange);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    margin-top: 0.5rem;
}

.calendar-legend {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 2rem;
    margin-top: 0.5rem;
}

.legend-item {
    display: flex;
    align-items: center;
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-main);
}

.calendar-legend .room-badge {
    font-size: 0.9rem;
    padding: 0.3rem 0.5rem;
    margin-right: 12px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
    display: inline-block;
}

.room-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 800;
    color: white;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    margin-right: 8px;
    line-height: 1;
}

.color-av1 { background-color: var(--av1-color); }
.color-av2 { background-color: var(--av2-color); }
.color-anfeca { background-color: var(--anfeca-color); }
.color-audit { background-color: var(--audit-color); }

.calendar-grid-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background-color: var(--uat-dark-teal);
    color: white;
    text-align: center;
    font-weight: 700;
    font-size: 0.8rem;
    padding: 1rem 0;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-auto-rows: minmax(120px, 1fr);
    border-left: 1px solid var(--border-color);
    flex: 1;
}

.calendar-day {
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    position: relative;
    cursor: pointer;
    transition: background-color 0.2s;
}

.calendar-day:hover {
    background-color: #f8fafc;
}

.calendar-day.other-month {
    color: var(--text-muted);
    background-color: #fcfcfd;
}

.calendar-day.active {
    border: 3px solid var(--uat-dark-teal);
    background-color: white;
}

.day-number {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--uat-dark-teal);
}

.other-month .day-number {
    color: var(--text-muted);
    opacity: 0.5;
}

.day-dots {
    position: absolute;
    bottom: 0.5rem;
    left: 0.5rem;
    right: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.day-dots .room-badge {
    margin-right: 0;
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
}

.calendar-footer {
    text-align: center;
    padding: 1.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.85rem;
    color: var(--uat-dark-teal);
    letter-spacing: 0.1em;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard {
        flex-direction: column-reverse;
        height: auto;
        overflow-y: auto;
    }
    
    .agenda-sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-top: 1px solid var(--border-color);
    }
    
    .calendar-main {
        padding: 1rem;
    }
    
    .calendar-card {
        border-radius: 12px;
    }
    
    .calendar-header {
        flex-direction: column;
        padding: 1.5rem;
    }
    
    .calendar-legend {
        margin-top: 1.5rem;
        display: flex;
        flex-wrap: wrap;
    }
}

@media (max-width: 600px) {
    .header-left { gap: 0.5rem; }
    .logo { font-size: 1.5rem; }
    .header-titles h1 { font-size: 1rem; }
    .header-titles h2 { display: none; }
    .header-right .time { font-size: 1.2rem; }
    .header-right .date { font-size: 0.6rem; }
    
    .calendar-weekdays { font-size: 0.7rem; padding: 0.5rem 0; }
    .calendar-days { grid-auto-rows: minmax(80px, auto); }
    .calendar-day { padding: 0.5rem; }
    .day-number { font-size: 1.2rem; }
    .calendar-title h2 { font-size: 2rem; }
}