@font-face {
  font-family: 'Font Awesome 6 Free';
  src: url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/webfonts/fa-solid-900.woff2') format('woff2');
  font-display: swap;
  font-weight: 900;
}

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&display=swap');
:root {
    --primary: #003787;
    --secondary: #00a3ff;
    --accent: #28a745;
    --dark: #001233;
    --light: #f8f9fa;
    --gradient-bg: linear-gradient(135deg, var(--primary) 0%, #003787 100%);
    --shadow: 0 4px 20px rgba(0, 53, 133, 0.15);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --login-gradient: linear-gradient(135deg, #28a745 0%, #20c55a 50%, #16a34a 100%);
    --login-gradient-hover: linear-gradient(135deg, #2cbd4d 0%, #22c55e 50%, #16a34a 100%);
    --login-gradient-active: linear-gradient(135deg, #1e7e34 0%, #1c7430 50%, #155724 100%);
    --login-shadow: 0 8px 25px rgba(40, 167, 69, 0.35), 0 4px 10px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    --login-shadow-hover: 0 12px 35px rgba(40, 167, 69, 0.45), 0 8px 20px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    --login-shadow-active: 0 6px 20px rgba(40, 167, 69, 0.4), 0 3px 8px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    --login-transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);    --login-border: 2px solid rgba(255, 255, 255, 0.15);
    --login-border-hover: 2px solid rgba(255, 255, 255, 0.25);
}

/* Pulse Logo Animation */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse-logo {
    animation: pulse 2s infinite ease-in-out;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background-color: transparent;
    border-radius: 8px;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 55, 135, 0.25);
    border-radius: 8px;
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 55, 135, 0.35);
}

* {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 55, 135, 0.25) transparent;
}

@media (max-width: 768px) {
    ::-webkit-scrollbar {
        width: 3px;
        height: 3px;
    }
}

.sync-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    z-index: 1000;
    transition: all 0.3s ease;
    background: #6c757d;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    cursor: help;
}

.sync-indicator.online {
    background: #28a745;
    box-shadow: 0 0 12px rgba(40, 167, 69, 0.5);
}

.sync-indicator.offline {
    background: #dc3545;
    box-shadow: 0 0 12px rgba(220, 53, 69, 0.5);
}

.sync-indicator.pending {
    background: #ffc107;
    box-shadow: 0 0 12px rgba(255, 193, 7, 0.5);
    animation: syncPulse 1.5s ease-in-out infinite;
}

.sync-indicator.syncing {
    background: #007bff;
    box-shadow: 0 0 12px rgba(0, 123, 255, 0.5);
    animation: syncPulse 1.5s ease-in-out infinite;
}

.sync-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-left: 15px;
    transition: all 0.3s ease;
    background: #6c757d;
    position: relative;
    cursor: help;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.sync-status.synced {
    background: #28a745;
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 8px rgba(40, 167, 69, 0.4);
}

.sync-status.offline {
    background: #dc3545;
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 8px rgba(220, 53, 69, 0.4);
}

.sync-status.pending {
    background: #ffc107;
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 8px rgba(255, 193, 7, 0.4);
}

.sync-status.syncing {
    background: #007bff;
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.4);
    animation: syncPulse 1.5s ease-in-out infinite;
}

.section-title + .sync-status,
h1 + .sync-status,
.sync-status {
    display: inline-block;
    vertical-align: middle;
}

@keyframes syncPulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.8;
    }
}

.sync-status::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1001;
}

.sync-status:hover::after {
    opacity: 1;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.sync-indicator.pending i {
    animation: spin 2s linear infinite;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

body {
    font-family: 'Montserrat', 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    overflow-x: hidden;
}

#header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    z-index: 1000;
    background: var(--gradient-bg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0;
    padding: 0 20px;
    height: 80px;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
.logo h1 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    margin-inline: 10px;
}

.logo img {
    max-width: 200px;
    height: auto;
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: white;
    transition: var(--transition);
}

.menu-toggle:hover {
    transform: rotate(90deg);
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    list-style: none;
    gap: 10px;
    margin-left: auto;
    flex-grow: 0;
}

.nav-links li {
    position: relative;
    margin: 0;
    flex: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    padding: 20px 30px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    border-radius: 8px;
    min-width: 134px;
    gap: 8px;
    flex-direction: row;
    border: 2px solid transparent;
}

.nav-links a:not(.logout-btn):not([href="logout.php"]) {
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    font-weight: 500;
    font-size: 11px;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    min-width: 100px;
    gap: 6px;
    flex-direction: row;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.nav-links a:not(.logout-btn):not([href="logout.php"]) .icon {
    font-size: 14px;
    width: 16px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    padding: 0;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-links a:not(.logout-btn):not([href="logout.php"]) .text {
    font-size: 14px;
    font-weight: 500;
    opacity: 1;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    white-space: nowrap;
    flex-grow: 0;
    text-align: center;
}

.nav-links a:not(.logout-btn):not([href="logout.php"]):hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateX(6px) scale(1.08);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
}

.nav-links a:not(.logout-btn):not([href="logout.php"]):hover .icon {
    transform: scale(1.3) rotate(5deg);
    color: var(--accent);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.nav-links a:not(.logout-btn):not([href="logout.php"]):hover .text {
    opacity: 1;
    color: var(--accent);
    transform: translateX(2px);
}

#login-btn, #logout-btn {
    color: white;
    border-radius: 8px !important;
    width: 40px !important;
    height: 40px !important;
    transition: var(--login-transition);
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer;
    position: relative;
    overflow: hidden;    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding: 0 !important;
    margin: 0 !important;
    text-align: center !important;
}

#login-btn {
    background: var(--login-gradient);
    box-shadow: var(--login-shadow);
}

#login-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

#login-btn:hover {
    background: var(--login-gradient-hover);
    transform: translateY(-2px) scale(1.05);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--login-shadow-hover);
}

#login-btn:hover::before {
    opacity: 1;
    transform: rotate(45deg) translate(50%, 50%);
}

#login-btn:active {
    transform: translateY(-1px) scale(1.02);
    transition: all 0.1s ease;
    box-shadow: 
        0 6px 20px rgba(40, 167, 69, 0.4),
        0 3px 8px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

#login-btn .icon {
    margin: 0 !important;
    padding: 0 !important;
    font-size: 16px !important;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
}

#login-btn:hover .icon {
    transform: scale(1.15) rotate(5deg);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

#login-btn:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 
        var(--login-shadow),
        0 0 0 3px rgba(40, 167, 69, 0.3);
}

@keyframes loginPulse {
    0% { 
        box-shadow: var(--login-shadow);
    }
    50% { 
        box-shadow: 
            0 8px 25px rgba(40, 167, 69, 0.5),
            0 4px 10px rgba(0, 0, 0, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);    }
    100% { 
        box-shadow: var(--login-shadow);
    }
}

#login-btn.pulse {
    animation: loginPulse 2s ease-in-out infinite;
}

#logout-btn {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 50%, #bd2130 100%);
    color: white;
    border-radius: 8px !important;
    width: 40px !important;
    height: 40px !important;
    transition: var(--login-transition);
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding: 0 !important;
    margin: 0 !important;
    text-align: center !important;    box-shadow: 0 8px 25px rgba(220, 53, 69, 0.35), 0 4px 10px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.logout-btn {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 50%, #bd2130 100%) !important;
    color: white !important;
    border: 2px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 12px !important;
    padding: 12px 18px !important;
    min-width: 120px !important;
    height: auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    text-align: center !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    position: relative !important;
    overflow: hidden !important;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
    box-shadow: 
        0 8px 25px rgba(220, 53, 69, 0.35),
        0 4px 10px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
    cursor: pointer !important;    user-select: none !important;
}

.logout-btn .icon {
    font-size: 16px !important;
    color: white !important;
    margin: 0 !important;
    padding: 0 !important;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3)) !important;    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
}

.logout-btn .text {
    color: white !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
    white-space: nowrap !important;
    margin: 0 !important;
    padding: 0 !important;
}

.logout-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transform: rotate(45deg);    transition: all 0.6s ease;
    opacity: 0;
    z-index: 1;
}

.logout-btn:hover {
    background: linear-gradient(135deg, #e04e62 0%, #d93955 50%, #c82333 100%) !important;
    transform: translateY(-2px) scale(1.02) !important;
    border-color: rgba(255, 255, 255, 0.25) !important;
    box-shadow: 
        0 12px 35px rgba(220, 53, 69, 0.45),
        0 8px 20px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;    color: white !important;
    text-decoration: none !important;
}

.logout-btn:hover .icon {
    transform: scale(1.15) rotate(-5deg) !important;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4)) !important;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.4) !important;
}

.logout-btn:hover .text {
    color: white !important;
    text-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.4),        0 0 15px rgba(255, 255, 255, 0.3) !important;
    transform: translateX(1px) !important;
}

.logout-btn:hover::before {
    opacity: 1;
    transform: rotate(45deg) translate(50%, 50%);
}

.logout-btn:active {
    transform: translateY(-1px) scale(1.01) !important;
    transition: all 0.1s ease !important;
    box-shadow: 
        0 6px 20px rgba(220, 53, 69, 0.4),
        0 3px 8px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
}

.logout-btn:focus {
    outline: none !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
    box-shadow: 
        0 0 0 3px rgba(220, 53, 69, 0.3),
        0 8px 25px rgba(220, 53, 69, 0.35),
        0 4px 10px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
}

.logout-btn .icon,
.logout-btn .text {
    position: relative;
    z-index: 2;
}

@keyframes logoutButtonPulse {
    0% { 
        box-shadow: 
            0 8px 25px rgba(220, 53, 69, 0.35),
            0 4px 10px rgba(0, 0, 0, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
    50% { 
        box-shadow: 
            0 10px 30px rgba(220, 53, 69, 0.4),
            0 6px 15px rgba(0, 0, 0, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
    100% { 
        box-shadow: 
            0 8px 25px rgba(220, 53, 69, 0.35),
            0 4px 10px rgba(0, 0, 0, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
}

.logout-btn.pulse {
    animation: logoutButtonPulse 2s ease-in-out infinite;
}


@media (max-width: 768px) {
    .logout-btn {
        min-width: 110px !important;
        padding: 14px 16px !important;
        font-size: 15px !important;
    }
    
    .logout-btn .icon {
        font-size: 17px !important;
    }
      .logout-btn .text {
        font-size: 15px !important;
    }
}

@media (max-width: 480px) {
    .logout-btn {
        min-width: 100px !important;
        padding: 12px 14px !important;
        font-size: 14px !important;
        gap: 6px !important;
    }
    
    .logout-btn .icon {
        font-size: 16px !important;
    }
    
    .logout-btn .text {
        font-size: 14px !important;
    }
}

/* High-resolution displays optimization */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logout-btn {
        box-shadow: 
            0 4px 12px rgba(220, 53, 69, 0.25),
            0 2px 5px rgba(0, 0, 0, 0.08),
            inset 0 0.5px 0 rgba(255, 255, 255, 0.2) !important;
    }
    
    .logout-btn:hover {
        box-shadow: 
            0 6px 18px rgba(220, 53, 69, 0.35),
            0 4px 8px rgba(0, 0, 0, 0.12),
            inset 0 0.5px 0 rgba(255, 255, 255, 0.3) !important;
    }
}

body.admin-page .nav-links a[href="admin.html"] {
    display: none !important;
}

body.admin-page .nav-links a[href="admin.html"]::parent {
    display: none !important;
}

/* Hide admin link specifically on admin.html page */
.nav-links li:has(a[href="admin.html"]) {
    display: none !important;
}

/* Alternative approach for admin link hiding on admin page */
[data-page="admin"] .nav-links a[href="admin.html"],
[data-page="admin"] .nav-links a[href="admin.html"].active {
    display: none !important;
}

[data-page="admin"] .nav-links li:has(a[href="admin.html"]) {
    display: none !important;
}

/* Button authentication-based visibility controls */
/* Default states - login visible, logout hidden */
#login-btn {
    display: flex !important;
}

#logout-btn {
    display: none !important;
}

/* When authenticated: hide login button on all pages */
body.authenticated #login-btn {
    display: none !important;
}

/* When authenticated on admin page: show logout button */
body[data-page="admin"].authenticated #logout-btn {
    display: flex !important;
}

/* When not authenticated: ensure logout button is hidden and login is visible */
body.not-authenticated #logout-btn {
    display: none !important;
}

body.not-authenticated #login-btn {
    display: flex !important;
}
@media (max-width: 900px) {
    .nav-container {
        justify-content: space-between;
        gap: 20px;
        padding: 0 20px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        flex-direction: column;
        background: var(--gradient-bg);
        transition: var(--transition);
        padding: 40px 0;
        gap: 0;
        overflow-y: auto;
        justify-content: flex-start;
    }
      .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        width: 100%;
        margin: 0 0 15px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-links a {
        width: 100%;
        padding: 20px 30px;
        flex-direction: row;
        justify-content: flex-start;
        gap: 15px;
        border-radius: 0;
        background-color: rgba(255, 255, 255, 0.05);
        min-width: auto;
        min-height: 60px;
        border: none;
        margin: 8px 0;
    }
    
    .nav-links a:hover {
        background-color: rgba(255, 255, 255, 0.15);
        transform: translateX(10px);
        border-color: transparent;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links a .icon {
        font-size: 24px;
        width: 30px;
        margin-bottom: 0;
    }
      .nav-links a .text {
        font-size: 18px;
        opacity: 1;
    }

    .nav-links a:not(.logout-btn):not([href="logout.php"]) {
        width: 90%;
        padding: 16px 25px;
        margin: 6px auto;
        min-height: 50px;
        background-color: rgba(255, 255, 255, 0.03);
    }
    
    .nav-links a:not(.logout-btn):not([href="logout.php"]) .icon {
        font-size: 20px;
        width: 25px;
    }
    
    .nav-links a:not(.logout-btn):not([href="logout.php"]) .text {
        font-size: 16px;
    }
    
    /* Mobile-specific styles for logout button to keep it prominent */
    .nav-links .logout-btn {
        width: 95%;
        padding: 18px 30px;
        margin: 12px auto;
        min-height: 65px;
        background: linear-gradient(135deg, #dc3545 0%, #c82333 50%, #bd2130 100%) !important;
        border-radius: 12px !important;
    }
    
    .nav-links .logout-btn .icon {
        font-size: 22px !important;
        width: 28px;
    }
    
    .nav-links .logout-btn .text {
        font-size: 18px !important;
        font-weight: 600 !important;
    }

    /* Mobile login button with enhanced styling */
    #login-btn {
        width: 70% !important;
        max-width: 250px !important;
        height: 50px !important;
        margin: 10px auto !important;
        padding: 10px 20px !important;
        border-radius: 20px;
        flex-direction: row !important;
        gap: 10px !important;
        font-size: 14px;
        font-weight: 600;
        letter-spacing: 0.5px;
        align-items: center !important;
        justify-content: center !important;
        
        /* Enhanced mobile shadows */
        box-shadow: 
            0 6px 20px rgba(40, 167, 69, 0.3),
            0 3px 8px rgba(0, 0, 0, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
    
    /* Show "Entrar" text on mobile */
    #login-btn::after {
        content: "Entrar";
        font-size: 16px;
        font-weight: 600;
        letter-spacing: 0.5px;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    }
    
    /* Adjust icon for mobile */
    #login-btn .icon {
        font-size: 14px !important;
        margin-right: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
    }
    
    /* Mobile hover effects */
    #login-btn:hover {
        transform: translateY(-2px) scale(1.02);
        box-shadow: 
            0 8px 25px rgba(40, 167, 69, 0.4),
            0 4px 12px rgba(0, 0, 0, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
}

@media (max-width: 600px) {
    .nav-container {
        padding: 0 15px;
        gap: 30px;
    }
    
    .logo h1 {
        font-size: 1.6rem;
    }
      .logo img {
        max-width: 150px;
    }
    
    .nav-links a {
        padding: 18px 25px;
        min-height: 55px;
        gap: 12px;
        margin: 10px 0;
    }
    
    .nav-links li {
        margin: 0 0 20px 0;
    }
    
    .nav-links a .icon {
        font-size: 22px;
        width: 28px;
    }
    
    .nav-links a .text {
        font-size: 16px;
    }
}

/* Ultra-small screens (below 480px) */
@media (max-width: 480px) {
    #login-btn {
        width: 36px !important;
        height: 36px !important;
        font-size: 12px !important;
        border-radius: 12px !important;
        margin: 8px auto !important;
        padding: 0 !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
    }
    
    #login-btn .icon {
        font-size: 14px !important;
        margin: 0 !important;
        padding: 0 !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    #login-btn::after {
        display: none !important;
    }
}

/* High-resolution displays optimization */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    #login-btn {
        box-shadow: 
            0 4px 12px rgba(40, 167, 69, 0.25),
            0 2px 5px rgba(0, 0, 0, 0.08),
            inset 0 0.5px 0 rgba(255, 255, 255, 0.2);
    }
    
    #login-btn:hover {
        box-shadow: 
            0 6px 18px rgba(40, 167, 69, 0.35),
            0 4px 8px rgba(0, 0, 0, 0.12),
            inset 0 0.5px 0 rgba(255, 255, 255, 0.3);
    }
}

/* Tablet adjustments for regular nav items */
@media (max-width: 768px) {
    .nav-links a:not(.logout-btn):not([href="logout.php"]) {
        padding: 10px 18px;
        font-size: 12px;
        min-width: 110px;
        gap: 7px;
    }
    
    .nav-links a:not(.logout-btn):not([href="logout.php"]) .icon {
        font-size: 14px;
        width: 18px;
    }
    
    .nav-links a:not(.logout-btn):not([href="logout.php"]) .text {
        font-size: 12px;
    }
}

/* Mobile adjustments for regular nav items */
@media (max-width: 480px) {
    .nav-links a:not(.logout-btn):not([href="logout.php"]) {
        padding: 8px 16px;
        font-size: 11px;
        min-width: 95px;
        gap: 6px;
    }
    
    .nav-links a:not(.logout-btn):not([href="logout.php"]) .icon {
        font-size: 13px;
        width: 16px;
    }
      .nav-links a:not(.logout-btn):not([href="logout.php"]) .text {
        font-size: 11px;
    }
}

/* ==============================================
   ADMIN PAGE SPECIFIC NAVIGATION STYLES
   ============================================== */

/* Hide all navigation links except logout button on admin page */
[data-page="admin"] .nav-links li:not(:has(.logout-btn)) {
    display: none !important;
}

/* Fallback: Hide specific navigation links on admin page */
[data-page="admin"] .nav-links a[href="index.php"],
[data-page="admin"] .nav-links a[href="reserva.php"],
[data-page="admin"] .nav-links a[href="contacto.php"] {
    display: none !important;
}

/* Hide parent li elements of non-logout links on admin page */
[data-page="admin"] .nav-links li:has(a[href="index.php"]),
[data-page="admin"] .nav-links li:has(a[href="reserva.php"]),
[data-page="admin"] .nav-links li:has(a[href="contacto.php"]) {
    display: none !important;
}

/* Add admin icon to logout button specifically on admin page */
[data-page="admin"] .nav-links .logout-btn::before {
    content: "\f007"; /* Font Awesome user icon */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    margin-right: 8px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    display: inline-block;
}

/* Enhanced logout button styling on admin page */
[data-page="admin"] .nav-links .logout-btn {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 50%, #bd2130 100%) !important;
    color: white !important;
    border: 2px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3), 
                0 2px 8px rgba(0, 0, 0, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
    position: relative;
    overflow: hidden;
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Hover effects for admin page logout button */
[data-page="admin"] .nav-links .logout-btn:hover {
    background: linear-gradient(135deg, #e04e62 0%, #d93955 50%, #c82333 100%) !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
    transform: translateX(8px) translateY(-2px) scale(1.02) !important;
    box-shadow: 0 8px 25px rgba(220, 53, 69, 0.4), 
                0 4px 15px rgba(0, 0, 0, 0.15),
                inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
}

/* Admin icon hover animation */
[data-page="admin"] .nav-links .logout-btn:hover::before {
    transform: scale(1.1) rotate(-5deg);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

/* Mobile responsiveness for admin page navigation */
@media (max-width: 900px) {
    [data-page="admin"] .nav-links .logout-btn {
        width: 95% !important;
        padding: 18px 30px !important;
        margin: 12px auto !important;
        min-height: 65px !important;
        background: linear-gradient(135deg, #dc3545 0%, #c82333 50%, #bd2130 100%) !important;
        border-radius: 12px !important;
    }
    
    [data-page="admin"] .nav-links .logout-btn::before {
        font-size: 18px !important;
        margin-right: 10px !important;
    }
    
    [data-page="admin"] .nav-links .logout-btn .icon {
        font-size: 22px !important;
        width: 28px;
    }
    
    [data-page="admin"] .nav-links .logout-btn .text {
        font-size: 18px !important;
        font-weight: 600 !important;
    }
}

/* Additional compatibility for older browsers - direct targeting */
[data-page="admin"] .nav-links li:first-child,
[data-page="admin"] .nav-links li:nth-child(2),
[data-page="admin"] .nav-links li:nth-child(3),
[data-page="admin"] .nav-links li:nth-child(4) {
    display: none !important;
}

/* Ensure logout button li remains visible */
[data-page="admin"] .nav-links li:last-child {
    display: block !important;
}

/* ==============================================
   END ADMIN PAGE SPECIFIC STYLES
   ============================================== */