/* Hide scrollbar for Chrome, Safari and Opera */
::-webkit-scrollbar {
    display: none;
}

/* Hide scrollbar for Firefox, IE and Edge */
html, body {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

/* ============================================================================
   DARK MODE CSS VARIABLES
   ============================================================================ */
:root {
    --bg-color: #ffffff;
    --text-color: #081316;
    --secondary-text: #707475;
    --nav-bg: #ffffff;
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #081316;
    --button-bg: #081316;
    --button-text: #ffffff;
    --hover-bg: #f0f0f0;
    --shadow: rgba(0, 0, 0, 0.05);
    --shadow-hover: rgba(0, 0, 0, 0.12);
    --border-color: #e0e0e0;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --secondary-text: #b0b0b0;
    --nav-bg: #2a2a2a;
    --card-bg: #2a2a2a;
    --input-bg: #333333;
    --input-border: #555555;
    --button-bg: #ffffff;
    --button-text: #081316;
    --hover-bg: #3a3a3a;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.5);
    --border-color: #444444;
}

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "IBM Plex Sans", sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.hidden {
    display: none !important;
}

/* ============================================================================
   NAVIGATION BAR
   ============================================================================ */

nav {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    align-items: center;
    gap: 10px;
    display: flex;
    padding: 30px 3%;
}

nav img[src*="fsh_logo"] {
    width: 50px;
    height: 50px;
    content: url('public/fsh_logo_colored.png');
}

/* ============================================================================
   MAIN CONTAINER - SPLIT SCREEN LAYOUT
   ============================================================================ */

.main-container {
    display: flex; 
    flex-direction: row; 
    width: 100%;
    min-height: 100vh;
    align-items: center;
}

/* ============================================================================
   LEFT SECTION - CONTENT AREA
   ============================================================================ */

.content {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 60px;
    min-height: 100vh;
}

.content h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 15px;
    line-height: 1.2;
}

.content h2 {
    color: var(--secondary-text);
    font-weight: 400;
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: 40px;
}

.content p{
    font-size: clamp(0.875rem, 1.5vw, 0.9rem);
    color: var(--secondary-text);
    margin-bottom: 10px;
}

/* ============================================================================
   RIGHT SECTION - IMAGE CONTAINER
   ============================================================================ */

.image-container {
    flex: 1; 
    height: 100vh;
    padding: 40px; 
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    border-radius: 30px; 
}

/* ============================================================================
   ROLE SELECTION VIEW
   ============================================================================ */

#selection-view {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    gap: 20px;
}

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

.toggle {
    display: inline-flex;
    background: #9999; 
    border-radius: 30px;
    padding: 5px;
    margin-top: 10px;
    isolation: isolate;
}

.toggle button {
    min-width: 100px;
    padding: 10px 25px;
    font-size: clamp(13px, 1.5vw, 14px);
    font-weight: 300;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 25px;
    color: var(--secondary-text);
    transition: all 0.3s ease; 
}

.toggle button:hover {
    background-color: var(--button-bg);
    color: var(--button-text);
    font-weight: 300;
    transform: translateY(-1px);
}

.toggle button:active {
    transform: scale(0.98);
}

/* ============================================================================
   VIEW CONTAINERS
   ============================================================================ */

#login-view,
#signup-view,
#signup-password-view,
#forgot-password-view,
#otp-view,
#reset-password-view {
    display: none; 
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 320px;
}

/* ============================================================================
   PASSWORD FIELD WITH TOGGLE ICON
   ============================================================================ */

.password-container {
    position: relative;
    width: 100%;
}

.password-container .login-input {
    width: 100%;
    padding-right: 45px;
}

.password-toggle {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    margin-top: -6px;
    cursor: pointer;
    color: var(--secondary-text);
    font-size: 16px;
    transition: color 0.3s ease;
    user-select: none;
    display: none;
}

.password-toggle:hover {
    color: var(--text-color);
}

/* ============================================================================
   FORGOT PASSWORD LINK
   ============================================================================ */

.forgot-password-link {
    align-self: flex-end;
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
    text-decoration: none;
    margin-bottom: 15px;
    margin-top: -5px;
    transition: color 0.3s ease;
}

.forgot-password-link:hover {
    color: var(--secondary-text);
}

/* ============================================================================
   HEADINGS AND TEXT
   ============================================================================ */

.login-subtext {
    text-align: center; 
    line-height: 1.2;
    font-size: clamp(1rem, 2vw, 1.1rem);
    font-weight: 400;
    margin-bottom: 10px;
    margin-top: -5px;
    color: var(--secondary-text);
}

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

.google-btn {
    width: 100%;
    padding: 12px 24px;
    background-color: var(--button-bg);
    color: var(--button-text);
    border: 1px solid transparent; 
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    margin-top: 5px;
    transition: all 0.3s ease;
}

.google-btn:hover {
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--text-color); 
    transform: translateY(-1px);
}

.google-btn img {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.enter-btn {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    background: var(--button-bg);
    color: var(--button-text);
    border: 1px solid transparent; 
    border-radius: 50px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.enter-btn:hover {
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--text-color); 
    transform: translateY(-1px);
}

.back-btn {
    background: var(--button-bg);
    border: 1px solid transparent; 
    cursor: pointer;
    padding: 10px 20px;
    border-radius: 50px; 
    color: var(--button-text);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.back-btn:hover {
    color: var(--text-color);
    background-color: var(--bg-color);
    border: 1px solid var(--text-color);
    transform: translateY(-1px);
}

/* ============================================================================
   BACK NAVIGATION
   ============================================================================ */

.back-navigation {
    margin-top: 25px; 
    width: 100%;
    display: flex;
    justify-content: center; 
}

/* ============================================================================
   DIVIDER
   ============================================================================ */

.divider {
    margin: 10px 0;
    color: var(--secondary-text); 
    font-size: 12px;
    display: flex;
    align-items: center;
    width: 100%;
}

.divider::before, .divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--secondary-text);
    margin: 0 10px;
}

/* ============================================================================
   INPUT FIELDS
   ============================================================================ */

.login-input {
    width: 100%;
    padding: 12px 20px;
    border: 1px solid var(--input-border);
    border-radius: 50px;
    margin-bottom: 12px;
    outline: none;
    font-size: 14px;
    background-color: var(--input-bg);
    color: var(--text-color);
}

.input-error {
    border: 2px solid #ff4d4d !important;
    background-color: #fff0f0;
    animation: shake 0.4s ease-in-out;
}

/* ============================================================================
   DASHBOARD CONTAINER
   ============================================================================ */

.dashboard-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background-color: var(--bg-color);
    padding-top: 110px;
}

/* ============================================================================
   DASHBOARD NAVIGATION
   ============================================================================ */

.dash-nav {
    background-color: var(--nav-bg); 
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center; 
    padding: 30px 5%;
    box-shadow: 0 2px 10px var(--shadow); 
}

.dash-nav nav {
    position: static;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
}

.dash-nav img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

#user-display {
    font-size: clamp(14px, 2vw, 18px);
    font-weight: 500;
}

/* ============================================================================
   MAIN CONTENT AREA
   ============================================================================ */

.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 5%;
}

/* Add extra left padding on desktop to account for hamburger menu */
@media (min-width: 769px) {
    .main-content {
        padding-left: calc(60px + 44px + 20px); /* hamburger position + width + gap */
        padding-right: calc(60px + 50px + 20px); /* mail button position + width + gap */
    }
}

.main-content header {
    margin-bottom: 30px;
}

.main-content h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-color);
    padding-left: 0;
    transition: padding-left 0.3s ease;
}

@media (max-width: 768px) {
    .main-content h1 {
        padding-left: 0; /* Remove padding on mobile */
    }
}

/* ============================================================================
   LAB GRID
   ============================================================================ */

.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.lab-card {
    border-radius: 30px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--card-bg);
}

.lab-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px var(--shadow-hover);
}

.lab-image {
    height: 200px;
    width: 100%;
    background-color: var(--hover-bg);
    display: block;
    object-fit: cover;
}

.lab-info {
    padding: 25px;
}

.lab-info span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--secondary-text);
}

.lab-info h3 {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    margin-top: 8px;
    color: var(--text-color);
}

/* ============================================================================
   LABORATORY PAGE STYLES
   ============================================================================ */

/* ============================================================================
   LABORATORY HEADER WITH RIGHT-ALIGNED BUTTON
   ============================================================================ */

.lab-header {
    background: linear-gradient(135deg, #081316 0%, #2a3a3f 100%);
    color: white;
    padding: 40px 5%;
    margin-bottom: 40px;
}

/* Add extra left padding on desktop to account for hamburger menu */
@media (min-width: 769px) {
    .lab-header {
        padding-left: calc(60px + 44px + 20px); /* hamburger position + width + gap */
    }
}

.lab-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.lab-header-left {
    flex: 1;
}

.lab-header-left h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 10px;
    color: white;
}

.lab-header-left p {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.lab-header-right {
    flex-shrink: 0;
}

.lab-header-right .back-btn {
    background: white;
    color: #081316;
    border: 2px solid white;
    padding: 12px 24px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.lab-header-right .back-btn:hover {
    background: transparent;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.lab-header-right .back-btn i {
    font-size: 14px;
}

.calendar-container {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 20px var(--shadow);
    margin-bottom: 30px;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.calendar-header h2 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    color: var(--text-color);
}

.calendar-controls {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.view-toggle {
    display: flex;
    gap: 5px;
    background: var(--hover-bg);
    padding: 5px;
    border-radius: 10px;
}

.view-btn {
    background: transparent;
    color: var(--text-color);
    border: none;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-btn:hover {
    background: var(--card-bg);
}

.view-btn.active {
    background: var(--button-bg);
    color: var(--button-text);
}

.view-btn i {
    font-size: 16px;
}

.calendar-nav {
    display: flex;
    gap: 10px;
    align-items: center;
}

.calendar-nav button {
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 10px 15px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.calendar-nav button:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.calendar-nav span {
    font-weight: 600;
    min-width: 150px;
    text-align: center;
    font-size: clamp(14px, 2vw, 16px);
    color: var(--text-color);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.calendar-day-header {
    text-align: center;
    font-weight: 600;
    padding: 10px;
    color: var(--secondary-text);
    font-size: clamp(12px, 1.5vw, 14px);
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    font-size: clamp(12px, 1.5vw, 14px);
    border: 2px solid transparent;
    color: var(--text-color);
}

.calendar-day:not(.empty):not(.past):hover {
    background: var(--hover-bg);
    transform: scale(1.05);
}

/* Allow past dates to be hoverable when they have a pointer cursor (admin view) */
.calendar-day.past[style*="cursor: pointer"]:hover {
    background: var(--hover-bg);
    transform: scale(1.05);
}

.calendar-day.empty {
    cursor: default;
}

.calendar-day.past {
    color: #ccc;
    cursor: not-allowed;
}

.calendar-day.today {
    border: 2px solid var(--text-color);
    font-weight: bold;
}

.calendar-day.has-reservation {
    background: #fff0f0;
    color: #ff4d4d;
    font-weight: 600;
}

.calendar-day.has-reservation::after {
    content: '';
    position: absolute;
    bottom: 5px;
    width: 4px;
    height: 4px;
    background: #ff4d4d;
    border-radius: 50%;
}

.calendar-day.selected {
    background: #081316;
    color: white;
}

/* Daily View Styles */
.calendar-day.daily-view {
    aspect-ratio: auto;
    min-height: 200px;
    flex-direction: column;
    padding: 20px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
}

.daily-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.daily-day-name {
    font-size: clamp(14px, 2vw, 16px);
    font-weight: 500;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.daily-day-number {
    font-size: clamp(48px, 10vw, 72px);
    font-weight: 700;
    color: var(--text-color);
    line-height: 1;
}

.daily-month-year {
    font-size: clamp(14px, 2vw, 16px);
    color: var(--secondary-text);
}

.calendar-day.daily-view.selected {
    border-color: #081316;
    background: var(--card-bg);
}

.calendar-day.daily-view.selected .daily-day-number {
    color: #081316;
}

[data-theme="dark"] .calendar-day.daily-view.selected {
    border-color: #ffffff;
}

[data-theme="dark"] .calendar-day.daily-view.selected .daily-day-number {
    color: #ffffff;
}

/* ============================================================================
   TIME SLOT SELECTION
   ============================================================================ */

.time-slots-container {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 20px var(--shadow);
    margin-bottom: 30px;
}

.time-slots-container h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.25rem);
    margin-bottom: 20px;
    color: var(--text-color);
}

.time-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 15px;
}

.time-slot {
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: clamp(13px, 1.5vw, 14px);
    background: var(--card-bg);
    color: var(--text-color);
}

.time-slot:hover:not(.disabled) {
    border-color: var(--text-color);
    transform: translateY(-2px);
}

.time-slot.selected {
    background: var(--button-bg);
    color: var(--button-text);
    border-color: var(--button-bg);
}

.time-slot.disabled {
    background: var(--hover-bg);
    color: var(--secondary-text);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ============================================================================
   RESERVATION FORM
   ============================================================================ */

.reservation-form {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 20px var(--shadow);
}

.reservation-form h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.25rem);
    margin-bottom: 20px;
    color: var(--text-color);
}

#selected-info {
    padding: 15px;
    background: var(--hover-bg);
    border-radius: 10px;
    margin-bottom: 20px;
    color: var(--text-color);
}

#selected-info p {
    color: var(--secondary-text);
    margin: 0;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
    font-size: clamp(13px, 1.5vw, 14px);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    background-color: var(--input-bg);
    color: var(--text-color);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--text-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-reservation-btn {
    width: 100%;
    padding: 15px;
    background: #081316;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-reservation-btn:hover {
    background: #2a3a3f;
    transform: translateY(-2px);
}

.submit-reservation-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* ============================================================================
   ADMIN PANEL
   ============================================================================ */

.admin-panel {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 20px var(--shadow);
}

.admin-panel h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.25rem);
    margin-bottom: 20px;
    color: var(--text-color);
}

.reservations-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.reservation-item {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #081316;
}

.reservation-item.pending {
    border-left-color: #ffa500;
}

.reservation-item.approved {
    border-left-color: #4caf50;
}

.reservation-item.declined {
    border-left-color: #ff4d4d;
}

.reservation-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.reservation-info h4 {
    font-size: clamp(1rem, 2vw, 1.1rem);
    color: var(--text-color);
    margin-bottom: 5px;
}

.reservation-info p {
    font-size: clamp(13px, 1.5vw, 14px);
    color: var(--secondary-text);
    margin: 3px 0;
}

.reservation-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.reservation-status.pending {
    background: #fff3e0;
    color: #f57c00;
}

.reservation-status.approved {
    background: #e8f5e9;
    color: #2e7d32;
}

.reservation-status.declined {
    background: #ffebee;
    color: #c62828;
}

.reservation-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.approve-btn,
.decline-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.approve-btn {
    background: #4caf50;
    color: white;
}

.approve-btn:hover {
    background: #45a049;
    transform: translateY(-2px);
}

.decline-btn {
    background: #ff4d4d;
    color: white;
}

.decline-btn:hover {
    background: #e04444;
    transform: translateY(-2px);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--secondary-text);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.3;
}

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

.fade-in {
    animation: fadeIn 0.8s ease-in-out forwards;
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

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

@media screen and (max-width: 1024px) {
    .calendar-grid {
        gap: 8px;
    }
    
    .time-slots-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media screen and (max-width: 768px) {
    .main-container {
        flex-direction: column-reverse;
        height: auto;
        min-height: 100vh;
    }

    .image-container {
        height: 30vh;
        padding: 0;
        width: 100%;
    }

    .image-container img {
        border-radius: 0 0 30px 30px;
    }

    .main-content {
        padding:15px 5% 40px 5%; 
    } 

    .content {
        padding: 40px 20px;
        justify-content: flex-start;
        min-height: auto;
    }

    .lab-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
        gap: 20px;
    }

    nav {
        position: absolute; 
        width: 100%;
        padding: 20px;
        background: linear-gradient(to bottom, var(--nav-bg) 65%, rgba(255, 255, 255, 0) 100%);
        padding-bottom: 60px; 
    }
    
    [data-theme="dark"] nav {
        background: linear-gradient(to bottom, var(--nav-bg) 65%, rgba(26, 26, 26, 0) 100%);
    }

    .dash-nav {
        padding: 20px 5%;
    }

    .dashboard-container {
        padding-top: 140px;
    }

    .calendar-container,
    .time-slots-container,
    .reservation-form,
    .admin-panel {
        padding: 20px;
    }

    .calendar-controls {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }

    .view-toggle {
        width: 100%;
        justify-content: center;
    }

    .view-btn {
        padding: 10px 15px;
    }

    .calendar-nav {
        width: 100%;
        justify-content: center;
    }

    .view-btn i {
        font-size: 14px;
    }

    .calendar-grid {
        gap: 5px;
    }

    .calendar-day {
        font-size: 12px;
    }

    .calendar-day.daily-view {
        min-height: 150px;
    }

    .daily-day-number {
        font-size: 48px !important;
    }

    .time-slots-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
    }

    .lab-header {
        padding: 30px 5%;
    }

    .lab-header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .lab-header-left {
        width: 100%;
    }

    .lab-header-right {
        width: 100%;
    }

    .lab-header-right .back-btn {
        width: 100%;
        justify-content: center;
    }

    .reservation-header {
        flex-direction: column;
    }
}

@media screen and (max-width: 480px) {
    .calendar-nav {
        width: 100%;
        justify-content: center;
    }

    .calendar-nav span {
        font-size: 14px;
    }

    .time-slots-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    #login-view,
    #signup-view,
    #signup-password-view,
    #forgot-password-view,
    #otp-view,
    #reset-password-view {
        max-width: 100%;
        padding: 0 10px;
    }
}