/**
 * Planning BeAPI - Float View Styles
 * A modern, distinctive planning interface
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Colors - Deep ocean theme */
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    --color-bg-elevated: #1e293b;
    
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    --color-border: #334155;
    --color-border-subtle: #1e293b;
    
    --color-accent-primary: #6366f1;
    --color-accent-secondary: #8b5cf6;
    --color-accent-tertiary: #a78bfa;
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Project colors palette */
    --project-color-1: #6366f1;
    --project-color-2: #8b5cf6;
    --project-color-3: #ec4899;
    --project-color-4: #14b8a6;
    --project-color-5: #f97316;
    --project-color-6: #06b6d4;
    --project-color-7: #84cc16;
    --project-color-8: #f43f5e;
    --project-color-9: #0ea5e9;
    --project-color-10: #eab308;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Typography */
    --font-family-primary: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-family-mono: 'JetBrains Mono', monospace;
    
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    
    /* Layout */
    --header-height: 64px;
    --sidebar-width: 240px;
    --row-height: 200px;
    --day-width: 48px;
    --hours-per-day: 8;
    
    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    min-height: 100vh;
}

/* ============================================
   App Layout
   ============================================ */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: 
        radial-gradient(ellipse at 20% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        var(--color-bg-primary);
    overflow: hidden;
}

/* ============================================
   Header
   ============================================ */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 var(--spacing-lg);
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header__logo {
    width: 36px;
    height: 36px;
}

.header__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header__cache-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.cache-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-muted);
    transition: background var(--transition-normal);
}

.cache-indicator.valid {
    background: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

.cache-indicator.expired {
    background: var(--color-warning);
}

.cache-indicator.loading {
    background: var(--color-accent-primary);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.header__date-range {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    font-family: var(--font-family-mono);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: white;
    box-shadow: var(--shadow-sm), 0 0 0 0 rgba(99, 102, 241, 0.4);
}

.btn--primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.4);
}

.btn--primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn--secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover:not(:disabled) {
    background: var(--color-border);
    color: var(--color-text-primary);
}

.btn__icon {
    flex-shrink: 0;
}

.btn--loading .btn__icon {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   Main Content
   ============================================ */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0; /* Important for flex child to allow scroll */
}

/* ============================================
   Loading State
   ============================================ */
.loading {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.loading__spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading__text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
}

/* ============================================
   Empty & Error States
   ============================================ */
.empty-state,
.error-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-2xl);
    text-align: center;
}

.empty-state__icon,
.error-state__icon {
    color: var(--color-text-muted);
    opacity: 0.5;
}

.empty-state__title,
.error-state__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
}

.empty-state__text,
.error-state__text {
    color: var(--color-text-secondary);
    max-width: 400px;
}

.error-state__icon {
    color: var(--color-error);
}

/* ============================================
   Planning Grid
   ============================================ */
.planning {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
    height: 100%;
}

.planning__scroll-container {
    flex: 1;
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
    position: relative;
    max-height: 100%;
}

.planning__scroll-container::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.planning__scroll-container::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

.planning__scroll-container::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

.planning__scroll-container::-webkit-scrollbar-corner {
    background: var(--color-bg-primary);
}

.planning__header {
    display: flex;
    background: var(--color-bg-secondary);
    border-bottom: 2px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    min-width: max-content;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.planning__corner {
    flex-shrink: 0;
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-xs);
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    position: sticky;
    left: 0;
    z-index: 110;
}

.planning__corner-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.cache-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--color-text-muted);
}

.cache-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-text-muted);
}

.cache-indicator.valid {
    background: var(--color-success);
    box-shadow: 0 0 6px var(--color-success);
}

.cache-indicator.expired {
    background: var(--color-warning);
}

.cache-indicator.loading {
    background: var(--color-accent-primary);
    animation: pulse 1s ease-in-out infinite;
}

.cache-text {
    font-family: var(--font-family-mono);
}

.btn-refresh {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-refresh:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: white;
}

.btn-refresh.loading svg {
    animation: spin 1s linear infinite;
}

.btn-refresh-large {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-refresh-large:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.planning__corner-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.planning__timeline {
    display: flex;
}

.planning__body {
    min-width: max-content;
}

/* Timeline Header */
.timeline__month {
    display: flex;
    flex-direction: column;
}

.timeline__month-name {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    left: 0;
}

.timeline__days {
    display: flex;
}

.timeline__day {
    flex-shrink: 0;
    width: var(--day-width);
    padding: var(--spacing-xs);
    text-align: center;
    border-right: 1px solid var(--color-border-subtle);
}

.timeline__day-number {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    font-family: var(--font-family-mono);
}

.timeline__day-name {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.timeline__day.weekend {
    background: rgba(100, 116, 139, 0.1);
}

.timeline__day.weekend .timeline__day-number,
.timeline__day.weekend .timeline__day-name {
    color: var(--color-text-muted);
}

.timeline__day.today {
    background: rgba(99, 102, 241, 0.2);
}

.timeline__day.today .timeline__day-number {
    color: var(--color-accent-primary);
    font-weight: 700;
}

/* BU Separator */
.planning__bu-separator {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
    min-width: max-content;
    position: sticky;
    top: 0;
    z-index: 40;
}

.planning__bu-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-accent-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(167, 139, 250, 0.15);
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.planning__bu-line {
    flex: 1;
    height: 1px;
    background: var(--color-border);
    margin-left: var(--spacing-md);
}

/* Planning Rows */
.planning__row {
    display: flex;
    border-bottom: 1px solid var(--color-border-subtle);
    height: var(--row-height);
    min-width: max-content;
}

.planning__row:hover .planning__person {
    background: color-mix(in srgb, var(--color-bg-secondary), var(--color-accent-primary) 5%);
}

.planning__row:hover .planning__cells {
    background: rgba(99, 102, 241, 0.03);
}

.planning__person {
    flex-shrink: 0;
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: var(--row-height);
    padding: var(--spacing-xs) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    position: sticky;
    left: 0;
    z-index: 10;
    transition: background var(--transition-fast);
}

.planning__person-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: white;
    overflow: hidden;
    flex-shrink: 0;
}

.planning__person-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    flex-shrink: 0;
}

.planning__person-info {
    min-width: 0;
    flex: 1;
}

.planning__person-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.planning__person-role {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.planning__cells {
    flex: 1;
    display: flex;
    position: relative;
    min-width: max-content;
    height: var(--row-height);
    overflow: visible;
}

.planning__cell {
    flex-shrink: 0;
    width: var(--day-width);
    height: var(--row-height);
    border-right: 1px solid var(--color-border-subtle);
    position: relative;
}

.planning__cell.weekend {
    background: rgba(100, 116, 139, 0.05);
}

.planning__cell.today {
    background: rgba(99, 102, 241, 0.1);
}

/* Sprints */
.sprint {
    position: absolute;
    border-radius: var(--radius-sm);
    padding: 1px 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    overflow: visible;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 5;
    box-sizing: border-box;
}

.sprint:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
    z-index: 100;
}

.sprint__content {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
    overflow: hidden;
}

.sprint__title {
    font-size: 9px;
    font-weight: 500;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.sprint__project {
    font-size: 8px;
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sprint__hours {
    font-size: 9px;
    font-family: var(--font-family-mono);
    color: rgba(255, 255, 255, 0.9);
    flex-shrink: 0;
    font-weight: 500;
}

.sprint__hours-only {
    font-size: 9px;
    font-family: var(--font-family-mono);
    color: white;
    font-weight: 600;
    width: 100%;
    text-align: center;
}

/* Sprint colors are now applied inline via JavaScript for 300+ project support */

/* Compressed sprints when overbooked */
.sprint--compressed {
    opacity: 0.95;
}

/* Overbook indicator */
.overbook-indicator {
    position: absolute;
    height: 18px;
    background: linear-gradient(135deg, #ff4757, #ff6b81);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 700;
    color: white;
    cursor: help;
    z-index: 10;
    box-shadow: 
        0 0 0 2px rgba(255, 71, 87, 0.3),
        0 2px 8px rgba(255, 71, 87, 0.5),
        0 0 20px rgba(255, 71, 87, 0.4);
    animation: overbook-pulse 1.5s ease-in-out infinite;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.overbook-indicator:hover {
    animation: none;
    transform: scale(1.1);
    box-shadow: 
        0 0 0 3px rgba(255, 71, 87, 0.4),
        0 4px 12px rgba(255, 71, 87, 0.6),
        0 0 30px rgba(255, 71, 87, 0.5);
}

.overbook-indicator__icon {
    font-size: 12px;
    animation: overbook-shake 0.5s ease-in-out infinite;
}

.overbook-indicator__text {
    font-size: 10px;
    letter-spacing: 0.5px;
}

@keyframes overbook-pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 
            0 0 0 2px rgba(255, 71, 87, 0.3),
            0 2px 8px rgba(255, 71, 87, 0.5),
            0 0 20px rgba(255, 71, 87, 0.4);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 
            0 0 0 4px rgba(255, 71, 87, 0.2),
            0 4px 16px rgba(255, 71, 87, 0.7),
            0 0 35px rgba(255, 71, 87, 0.6);
    }
}

@keyframes overbook-shake {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

/* Global Tooltip */
.tooltip {
    position: fixed;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    min-width: 180px;
    max-width: 300px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast);
    pointer-events: none;
    z-index: 9999;
}

.tooltip.visible {
    opacity: 1;
    visibility: visible;
}

.tooltip__title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.tooltip__project {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.tooltip__hours {
    font-size: var(--font-size-xs);
    font-family: var(--font-family-mono);
    color: var(--color-accent-tertiary);
    font-weight: 500;
}

/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal__content {
    position: relative;
    width: 100%;
    max-width: 480px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: slideUp var(--transition-normal);
    border: 1px solid var(--color-border);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal__close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.modal__header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    padding-right: var(--spacing-xl);
}

.modal__badge {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-accent-tertiary);
    background: rgba(167, 139, 250, 0.1);
    border-radius: var(--radius-sm);
}

.modal__body {
    padding: var(--spacing-lg);
}

.modal__field {
    margin-bottom: var(--spacing-md);
}

.modal__field:last-child {
    margin-bottom: 0;
}

.modal__label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.modal__value {
    font-size: var(--font-size-md);
    color: var(--color-text-primary);
}

.modal__value--mono {
    font-family: var(--font-family-mono);
}

/* ============================================
   Utilities
   ============================================ */
.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;
}

/* ============================================
   Login Page
   ============================================ */
.login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        var(--color-bg-primary);
}

.login__card {
    width: 100%;
    max-width: 400px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.login__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login__logo {
    width: 56px;
    height: 56px;
    margin-bottom: var(--spacing-md);
}

.login__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-xs);
}

.login__subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.login__error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.login__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.login__field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.login__label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.login__input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family-primary);
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.login__input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.login__input::placeholder {
    color: var(--color-text-muted);
}

.login__remember {
    display: flex;
    align-items: center;
}

.login__checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.login__checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent-primary);
    cursor: pointer;
}

.login__submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: var(--font-family-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.login__submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.4);
}

.login__submit:active {
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 180px;
        --day-width: 40px;
        --header-height: 56px;
    }
    
    .header {
        flex-wrap: wrap;
        height: auto;
        padding: var(--spacing-sm) var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .header__actions {
        flex-wrap: wrap;
        justify-content: flex-end;
    }
    
    .header__cache-status {
        display: none;
    }
    
    .planning__person-avatar {
        width: 28px;
        height: 28px;
        font-size: var(--font-size-xs);
    }
}