/* ===================================================
   COMPLETE THEME SYSTEM - DARK & LIGHT MODES
   ==================================================== */

:root {
    /* DARK MODE (Default) */
    --bg-primary: #07140d;
    --bg-secondary: #0f2a17;
    --bg-tertiary: #14331b;
    --bg-accent: #1a4020;
    
    --text-primary: #ffffff;
    --text-secondary: #eef7ee;
    --text-muted: #b7c7b7;
    
    --border-color: rgba(107, 74, 47, 0.2);
    --border-light: rgba(107, 170, 90, 0.3);
    
    --color-primary: #2b6f2b;
    --color-success: #4aaa5a;
    --color-warning: #f6a623;
    --color-error: #e04b4b;
    --color-info: #3a8fd9;
    --color-brown: #5a331f;
    --color-accent: #6f9f4a;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 25px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 35px rgba(0, 0, 0, 0.5);
    
    --transition-fast: 0.18s ease;
    --transition-normal: 0.3s ease;
}

/* LIGHT MODE */
[data-theme="light"],
html[theme="light"],
body.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9f8;
    --bg-tertiary: #eff2ef;
    --bg-accent: #e8ede8;
    
    --text-primary: #1a1a1a;
    --text-secondary: #333333;
    --text-muted: #666666;
    
    --border-color: rgba(74, 103, 65, 0.1);
    --border-light: rgba(74, 103, 65, 0.2);
    
    --color-primary: #2b6f2b;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-error: #dc3545;
    --color-info: #17a2b8;
    --color-brown: #5a331f;
    --color-accent: #6f9f4a;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 25px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 35px rgba(0, 0, 0, 0.15);
}

/* ===================================================
   BASE STYLES
   ==================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* GLOBAL TEXT COLOR ENFORCEMENT */
html,
body,
p,
div,
span,
h1,
h2,
h3,
h4,
h5,
h6,
a,
button,
label,
input,
select,
textarea,
table,
td,
th,
tr,
li,
ul,
ol {
    color: var(--text-primary);
    transition: color var(--transition-normal);
}

/* Ensure white text doesn't appear in dark mode paragraphs */
p {
    color: var(--text-secondary) !important;
}

/* Table cells must have proper contrast */
table {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

table td,
table th {
    color: var(--text-primary) !important;
    background-color: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

table tbody tr:hover {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

/* Form elements must have proper colors */
input,
select,
textarea {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

input:focus,
select:focus,
textarea:focus {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--color-accent) !important;
}

input::placeholder {
    color: var(--text-muted) !important;
}

/* Labels must be visible */
label {
    color: var(--text-secondary) !important;
}

/* Links must be visible */
a {
    color: var(--color-info) !important;
}

a:visited {
    color: #a78bfa !important;
}

a:hover {
    color: var(--color-primary) !important;
}

/* Buttons must have proper contrast */
button,
.btn,
input[type="button"],
input[type="submit"],
input[type="reset"] {
    color: var(--text-primary) !important;
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}

button:hover,
.btn:hover {
    background-color: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
}

/* Card and panel backgrounds */
.card,
.panel,
.box,
.content-box {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

/* Alert boxes must be visible */
.alert,
.warning,
.success,
.error,
.info,
.notification {
    color: var(--text-primary) !important;
}

.alert-success {
    background-color: rgba(74, 170, 90, 0.2) !important;
    border-color: var(--color-success) !important;
    color: var(--text-primary) !important;
}

.alert-error,
.alert-danger {
    background-color: rgba(224, 75, 75, 0.2) !important;
    border-color: var(--color-error) !important;
    color: var(--text-primary) !important;
}

.alert-warning {
    background-color: rgba(246, 166, 35, 0.2) !important;
    border-color: var(--color-warning) !important;
    color: var(--text-primary) !important;
}

.alert-info {
    background-color: rgba(58, 143, 217, 0.2) !important;
    border-color: var(--color-info) !important;
    color: var(--text-primary) !important;
}

/* Badge and badge-like elements */
.badge,
.label,
.tag {
    background-color: var(--color-primary) !important;
    color: var(--text-primary) !important;
}

/* Section headers */
.section-title,
.page-title,
.subtitle {
    color: var(--text-primary) !important;
}

/* Modal and overlay text */
.modal-content,
.modal-body,
.modal-header,
.modal-footer {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

/* Code blocks */
code,
pre {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border-color) !important;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================================
   HEADER & NAVIGATION
   ==================================================== */

header {
    background: linear-gradient(135deg, var(--color-brown) 0%, var(--color-primary) 100%);
    color: white;
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
    border-bottom: 3px solid var(--color-accent);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.5rem;
    min-height: 40px;
    padding: 0.3rem 0;
}

.logo {
    font-size: 1.1rem;
    font-weight: bold;
    color: #ffffff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.logo i {
    font-size: 0.95rem;
}

/* Navigation */
nav {
    flex: 1;
    min-width: 0;
    margin: 0 0.5rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 0.2rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0.1rem 0;
    margin: 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

nav ul::-webkit-scrollbar {
    height: 6px;
}

nav ul::-webkit-scrollbar-track {
    background: transparent;
}

nav ul::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

nav ul li {
    flex-shrink: 0;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    transition: all var(--transition-fast);
    font-weight: 500;
    font-size: 0.75rem;
    white-space: nowrap;
    display: block;
    border: 1px solid transparent;
    line-height: 1.1;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

nav a.active {
    background: rgba(255, 255, 255, 0.3);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* User Info */
.user-info {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
    white-space: nowrap;
    font-size: 0.75rem;
}

.user-info span {
    color: white;
    font-weight: 500;
    padding: 0.3rem 0.6rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.65rem;
}

/* Theme Toggle Container */
.theme-toggle-container {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin: 0 0.3rem;
}

.theme-toggle-label {
    color: white;
    font-size: 0.65rem;
    font-weight: 500;
    white-space: nowrap;
    display: none;
}

/* Theme Toggle Button */
#theme-toggle-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.3rem 0.6rem;
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.65rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.2rem;
    white-space: nowrap;
    z-index: 1000;
}

#theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

#theme-toggle-btn:active {
    transform: translateY(0);
}

#theme-toggle-btn i {
    font-size: 0.7rem;
    color: white;
}

.theme-label-text {
    display: inline-block;
    max-width: 70px;
    font-size: 0.65rem;
}

/* ===================================================
   MAIN CONTENT & TYPOGRAPHY
   ==================================================== */

main {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p, li, span, td, th {
    color: var(--text-secondary);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ===================================================
   CARDS & CONTAINERS
   ==================================================== */

.card {
    background-color: var(--bg-secondary);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.card-header h2 {
    color: var(--text-primary);
    margin-bottom: 0;
}

.guest-card,
.reservation-card,
.room-card,
.booking-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.modal-content,
.reminder-popup,
.selected-room-item {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* ===================================================
   BUTTONS
   ==================================================== */

.btn, button, [role="button"] {
    background: linear-gradient(135deg, var(--color-brown) 0%, var(--color-primary) 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    text-align: center;
    white-space: nowrap;
}

.btn:hover, button:hover, [role="button"]:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn:active, button:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    color: white;
}

.btn-secondary:hover {
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #e04b4b 0%, #c03535 100%);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, #2d8659 100%);
}

.btn-warning {
    background: linear-gradient(135deg, var(--color-warning) 0%, #d98f1d 100%);
}

.btn-info {
    background: linear-gradient(135deg, var(--color-info) 0%, #0e5aa7 100%);
}

/* ===================================================
   FORMS
   ==================================================== */

.form-group {
    margin-bottom: 1.5rem;
}

.form-grid-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="tel"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="datetime-local"]:focus,
input[type="tel"]:focus,
input[type="search"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(107, 170, 90, 0.15);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===================================================
   TABLES
   ==================================================== */

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-secondary);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

table thead {
    background: linear-gradient(135deg, var(--color-brown) 0%, var(--color-primary) 100%);
    color: white;
}

table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 2px solid var(--color-accent);
}

table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

table tbody tr {
    transition: background-color var(--transition-fast);
}

table tbody tr:hover {
    background-color: var(--bg-accent);
}

table tbody tr:last-child td {
    border-bottom: none;
}

/* ===================================================
   BADGES & ALERTS
   ==================================================== */

.badge {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    background-color: var(--bg-accent);
    color: var(--text-primary);
}

.badge-success {
    background: linear-gradient(135deg, var(--color-success), rgba(74, 170, 90, 0.8));
    color: white;
}

.badge-danger {
    background: linear-gradient(135deg, #e04b4b, rgba(224, 75, 75, 0.8));
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, var(--color-warning), rgba(246, 166, 35, 0.8));
    color: white;
}

.badge-info {
    background: linear-gradient(135deg, var(--color-info), rgba(58, 143, 217, 0.8));
    color: white;
}

.badge-secondary {
    background: rgba(107, 74, 47, 0.15);
    color: var(--text-secondary);
}

/* Status Badges */
.status-available,
.status-confirmed,
.status-checked_in {
    background: linear-gradient(135deg, var(--color-success), rgba(74, 170, 90, 0.8));
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

.status-occupied,
.status-pending {
    background: linear-gradient(135deg, var(--color-warning), rgba(246, 166, 35, 0.8));
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

.status-maintenance,
.status-checked_out,
.status-cancelled {
    background: linear-gradient(135deg, #e04b4b, rgba(224, 75, 75, 0.8));
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

/* Alerts */
.alert {
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-success {
    background-color: rgba(74, 170, 90, 0.1);
    color: var(--color-success);
    border-left-color: var(--color-success);
}

.alert-danger, .alert-error {
    background-color: rgba(224, 75, 75, 0.1);
    color: #e04b4b;
    border-left-color: #e04b4b;
}

.alert-warning {
    background-color: rgba(246, 166, 35, 0.1);
    color: var(--color-warning);
    border-left-color: var(--color-warning);
}

.alert-info {
    background-color: rgba(58, 143, 217, 0.1);
    color: var(--color-info);
    border-left-color: var(--color-info);
}

/* ===================================================
   STATISTICS & DASHBOARD
   ==================================================== */

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, #3a8a3a 100%);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
    border: 1px solid rgba(107, 170, 90, 0.3);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.stat-card p {
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

/* ===================================================
   FOOTER
   ==================================================== */

footer {
    background: linear-gradient(135deg, var(--color-brown) 0%, var(--color-primary) 100%);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 3px solid var(--color-accent);
}

/* ===================================================
   RESPONSIVE DESIGN
   ==================================================== */

@media (max-width: 1200px) {
    .form-grid-two {
        grid-template-columns: 1fr;
    }
    
    nav a {
        padding: 0.35rem 0.6rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 992px) {
    .header-content {
        flex-wrap: wrap;
        gap: 0.8rem;
    }
    
    nav {
        order: 3;
        flex: 1 1 100%;
        margin-top: 0.5rem;
    }
    
    .user-info {
        order: 2;
        margin-left: auto;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    nav a {
        padding: 0.3rem 0.5rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }
    
    .card {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-card h3 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
}

/* ===================================================
   ANIMATIONS & EFFECTS
   ==================================================== */

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.card {
    animation: fadeIn 0.4s ease-out;
}

/* ===================================================
   ACCESSIBILITY
   ==================================================== */

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: more) {
    :root {
        --border-color: rgba(107, 74, 47, 0.5);
        --text-muted: #888888;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}