/* NLTA.sk - Professional Tennis Design */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700;800&family=Roboto:wght@400;500;600;700&display=swap');

/* Modern Tennis Color Palette with Light Blue */
:root {
    --primary-blue: #1976D2;
    --secondary-blue: #42A5F5;
    --accent-blue: #64B5F6;
    --light-blue: #E3F2FD;
    --pale-blue: #F3F9FF;
    --tennis-yellow: #FFC107;
    --court-clay: #D84315;
    --court-grass: #388E3C;
    --dark-blue: #0D47A1;
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #EEEEEE;
    --gray-300: #E0E0E0;
    --gray-600: #757575;
    --gray-800: #424242;
    --gray-900: #212121;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

* {
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--pale-blue) 50%, var(--light-blue) 100%) !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
    line-height: 1.6 !important;
    color: var(--gray-900) !important;
    margin: 0 !important;
    padding: 0 !important;
    min-height: 100vh !important;
    background-attachment: fixed !important;
}

/* Professional Card Design */
.card-tennis {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 1rem !important;
    box-shadow: var(--shadow-2xl) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative !important;
    overflow: hidden !important;
}

.card-tennis::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--tennis-yellow), var(--accent-blue));
}

.card-tennis:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 32px 64px -12px rgba(25, 118, 210, 0.4);
    background: rgba(255, 255, 255, 0.98);
}\n\n.tennis-bg {\n    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 50%, var(--accent-blue) 100%);\n    position: relative;\n    overflow: hidden;\n}\n\n.tennis-bg::before {\n    content: '';\n    position: absolute;\n    top: 0;\n    left: 0;\n    right: 0;\n    bottom: 0;\n    background-image: \n        radial-gradient(circle at 25% 25%, rgba(255, 193, 7, 0.15) 0%, transparent 50%),\n        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),\n        linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.05) 50%, transparent 60%);\n    animation: tennisPattern 20s ease-in-out infinite;\n}\n\n@keyframes tennisPattern {\n    0%, 100% { opacity: 1; }\n    50% { opacity: 0.8; }\n}\n\n.tennis-court-pattern {\n    background: \n        linear-gradient(90deg, transparent 47%, rgba(255,255,255,0.3) 48%, rgba(255,255,255,0.3) 52%, transparent 53%),\n        linear-gradient(0deg, transparent 47%, rgba(255,255,255,0.3) 48%, rgba(255,255,255,0.3) 52%, transparent 53%),\n        radial-gradient(circle at 50% 50%, rgba(255, 193, 7, 0.1) 0%, transparent 70%);\n    background-size: 60px 60px, 60px 60px, 120px 120px;\n    animation: courtShimmer 15s ease-in-out infinite;\n}\n\n@keyframes courtShimmer {\n    0%, 100% { background-position: 0 0, 0 0, 0 0; }\n    50% { background-position: 30px 30px, 30px 30px, 60px 60px; }\n}

/* Professional Button Styling */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.025em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    font-family: 'Poppins', sans-serif;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

button.btn.btn-primary, .btn.btn-primary {
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%) !important;
    color: var(--white) !important;
    border: 2px solid #3B82F6 !important;
    font-weight: 600 !important;
}

button.btn.btn-primary:hover, .btn.btn-primary:hover {
    background: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%) !important;
    color: var(--white) !important;
    border-color: #1D4ED8 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4) !important;
}

button.btn.btn-secondary, .btn.btn-secondary {
    background: linear-gradient(135deg, #93C5FD 0%, #DBEAFE 100%) !important;
    color: var(--primary-blue) !important;
    border: 2px solid #93C5FD !important;
    font-weight: 600 !important;
}

button.btn.btn-secondary:hover, .btn.btn-secondary:hover {
    background: linear-gradient(135deg, #60A5FA 0%, #93C5FD 100%) !important;
    border-color: var(--primary-blue) !important;
    color: white !important;
}

/* Specific button styling with highest priority */
#login-btn, #login-btn-desktop {
    background: linear-gradient(135deg, #93C5FD 0%, #DBEAFE 100%) !important;
    color: #1976D2 !important;
    border: 2px solid #93C5FD !important;
    font-weight: 600 !important;
    padding: 0.5rem 1rem !important;
    font-size: 0.875rem !important;
}

#register-btn, #register-btn-desktop {
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%) !important;
    color: white !important;
    border: 2px solid #3B82F6 !important;
    font-weight: 600 !important;
    padding: 0.5rem 1rem !important;
    font-size: 0.875rem !important;
}

#login-btn:hover, #login-btn-desktop:hover {
    background: linear-gradient(135deg, #60A5FA 0%, #93C5FD 100%) !important;
    color: white !important;
}

#register-btn:hover, #register-btn-desktop:hover {
    background: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%) !important;
    color: white !important;
}

.btn-accent {
    background: linear-gradient(135deg, var(--tennis-yellow) 0%, #FFB300 100%);
    color: var(--gray-900);
    border: 2px solid transparent;
}

.btn-accent:hover {
    background: linear-gradient(135deg, #FFB300 0%, var(--tennis-yellow) 100%);
    color: var(--gray-900);
}

.btn:hover {
    transform: scale(1.05);
}

.btn-primary {
    background: linear-gradient(135deg, var(--tennis-green), var(--tennis-light-green));
    color: white;
    border: 2px solid transparent;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--tennis-light-green), var(--tennis-green));
    box-shadow: 0 6px 20px rgba(47, 125, 50, 0.4);
}

.btn-secondary {
    background: rgba(255,255,255,0.9);
    color: var(--tennis-green);
    border: 2px solid var(--tennis-green);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--tennis-green);
    color: white;
    box-shadow: 0 6px 20px rgba(47, 125, 50, 0.3);
}

.form-input {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #6b7280;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.2s ease;
    background: #f9fafb;
    color: #111827;
    font-weight: 500;
}

.form-input:focus {
    outline: none;
    border-color: var(--tennis-green);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(47, 125, 50, 0.1);
    transform: translateY(-2px);
}

.form-input::placeholder {
    color: #6b7280;
    font-weight: 400;
}

.auth-hidden {
    display: none;
}

.auth-visible {
    display: block;
}

.nav-glass {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(47, 125, 50, 0.1);
}

.menu-item {
    position: relative;
    transition: all 0.3s ease;
}

.menu-item:hover {
    color: var(--tennis-green);
    transform: translateY(-2px);
}

.menu-item::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--tennis-green), var(--tennis-yellow));
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.menu-item:hover::after {
    width: 100%;
}

/* Force navigation alignment */
@media (min-width: 768px) {
    .nav-glass .flex {
        justify-content: flex-start !important;
    }
    
    #main-menu {
        position: static !important;
        left: 0 !important;
    }
}

.hero-section {
    background: linear-gradient(135deg, var(--tennis-green) 0%, var(--tennis-light-green) 50%, var(--court-grass) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '🎾';
    position: absolute;
    font-size: 200px;
    opacity: 0.1;
    top: 20%;
    right: -50px;
    animation: bounce 3s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-30px);
    }
    60% {
        transform: translateY(-15px);
    }
}

.card-tennis {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(47, 125, 50, 0.1);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.card-tennis:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.tennis-text-shadow {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.modal-content {
    background: rgba(255,255,255,1);
    border: 1px solid rgba(47, 125, 50, 0.2);
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    position: relative;
    z-index: 60;
}

/* Development notice styles */
.dev-notice {
    background: #fef3cd;
    border-left: 4px solid #f59e0b;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
}

.dev-notice h3 {
    color: #92400e;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.dev-notice p {
    color: #b45309;
}

/* Page-specific animations */
.page-enter {
    animation: fadeIn 0.3s ease-in;
}

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

/* Date/Time Header Styles */
.datetime-header {
    position: static;
    z-index: 10;
    border-bottom: 2px solid rgba(255,255,255,0.2);
    color: white !important;
}

#datetime-header * {
    color: white !important;
}

/* Ensure main content text is visible */
main, .card-tennis, p, h1, h2, h3, h4, h5, h6, span, div {
    color: var(--gray-900) !important;
}

/* Except for elements that should be white */
#datetime-header, #datetime-header *, .hero-section, .hero-section * {
    color: white !important;
}

.datetime-header .max-w-7xl {
    position: relative;
}

.datetime-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(255,215,0,0.15) 0%, transparent 40%),
        radial-gradient(circle at 85% 50%, rgba(255,255,255,0.1) 0%, transparent 40%);
    pointer-events: none;
}

/* Responsive design for datetime header */
@media (max-width: 640px) {
    .datetime-header {
        padding-top: 0.25rem;
        padding-bottom: 0.25rem;
    }
}

@media (min-width: 641px) {
    .datetime-header {
        padding-top: 0.375rem;
        padding-bottom: 0.375rem;
    }
}

/* Navigation positioning adjustment */
.nav-glass {
    position: sticky;
    top: 0;
    z-index: 30;
}

/* Add small pulse animation to current time */
@keyframes timePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

#current-time {
    animation: timePulse 2s infinite;
}

/* Special styling for namedays */
#current-nameday {
    background: rgba(255,255,255,0.2);
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(255,255,255,0.3);
    color: white !important;
    font-weight: 400;
}

/* Mobile optimization */
@media (max-width: 480px) {
    #current-nameday {
        padding: 0.125rem 0.25rem;
        font-size: 0.75rem;
    }
}

/* Professional Navigation Enhancements */
nav.nav-glass {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: var(--shadow-lg) !important;
}

.menu-item {
    position: relative !important;
    padding: 0.5rem 0.75rem !important;
    border-radius: 0.5rem !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    font-weight: 500 !important;
    font-size: 1rem !important;
    text-decoration: none !important;
    overflow: hidden !important;
    font-family: 'Roboto', sans-serif !important;
    white-space: nowrap !important;
}

.menu-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(66, 165, 245, 0.1), transparent);
    transition: left 0.5s;
}

.menu-item:hover::before {
    left: 100%;
}

.menu-item:hover {
    background: linear-gradient(135deg, rgba(66, 165, 245, 0.1), rgba(25, 118, 210, 0.05));
    transform: translateY(-1px);
    color: var(--primary-blue) !important;
    box-shadow: var(--shadow-md);
}

/* Enhanced Hero Section with Tennis Courts Background */
.hero-section {
    position: relative;
    overflow: hidden;
    background: 
        linear-gradient(135deg, rgba(25, 118, 210, 0.6) 0%, rgba(66, 165, 245, 0.4) 100%),
        url('/skuska.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 60vh;
}

/* Mobile optimization for hero background */
@media (max-width: 768px) {
    .hero-section {
        background-attachment: scroll !important;
        background-size: cover !important;
        background-position: center center !important;
        background-repeat: no-repeat !important;
        min-height: 50vh !important;
    }
}

@media (max-width: 480px) {
    .hero-section {
        background-attachment: scroll !important;
        background-size: cover !important;
        background-position: center 30% !important;
        min-height: 45vh !important;
        padding: 3rem 0 !important;
    }
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 193, 7, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%);
    animation: heroPattern 25s ease-in-out infinite;
    backdrop-filter: blur(1px);
}

@keyframes heroPattern {
    0%, 100% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(2deg) scale(1.05); }
}

.tennis-text-shadow {
    text-shadow: 
        2px 2px 4px rgba(0, 0, 0, 0.7),
        0 0 20px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(255, 193, 7, 0.3);
}

/* Better text contrast in hero section */
.hero-section h1 {
    text-shadow: 
        3px 3px 6px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(0, 0, 0, 0.6) !important;
}

.hero-section p {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7) !important;
}

/* Modern Grid Cards */
.grid > div {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 1rem;
    overflow: hidden;
}

.grid > div:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* Professional Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--gray-900);
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
}

/* Enhanced Animations */
.page-enter {
    animation: pageSlideIn 0.8s ease-out;
}

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tennis-themed Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--tennis-yellow), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* Enhanced Status Indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    box-shadow: var(--shadow-md);
}

.status-online {
    background: linear-gradient(135deg, #4CAF50, #8BC34A);
    color: white;
}

.status-offline {
    background: linear-gradient(135deg, #F44336, #E91E63);
    color: white;
}

/* Tennis Ball Animation */
@keyframes tennisBounce {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(180deg); }
}

.tennis-ball {
    display: inline-block;
    animation: tennisBounce 2s ease-in-out infinite;
}

/* Professional Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(66, 165, 245, 0.2);
    border-top: 3px solid var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Modern Form Styling */
.form-input {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid var(--gray-300);
    border-radius: 0.75rem;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(66, 165, 245, 0.1);
    background: rgba(255, 255, 255, 1);
}

/* Enhanced Footer */
.footer-modern {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary-blue) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.footer-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255, 193, 7, 0.1) 0%, transparent 60%),
        linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.05) 50%, transparent 60%);
}


/* Responsive Design Enhancements */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .card-tennis {
        margin: 1rem;
    }
    
    .menu-item {
        padding: 0.5rem 0.75rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.8rem;
    }
}
}