/* === MODERN THEME - RESTORAN YÖNETİM SİSTEMİ === */

:root {
    /* Modern Color Palette */
    --primary-gradient: linear-gradient(45deg, #00d4ff, #ff6b6b);
    --secondary-gradient: linear-gradient(45deg, #667eea, #764ba2);
    --accent-gradient: linear-gradient(45deg, #00ff88, #00d4ff);
    --dark-gradient: linear-gradient(45deg, #0a0a0a, #1a1a1a);
    
    /* Colors */
    --primary: #00d4ff;
    --secondary: #ff6b6b;
    --accent: #00ff88;
    --dark: #0a0a0a;
    --dark-light: #1a1a1a;
    --white: #ffffff;
    --white-90: rgba(255, 255, 255, 0.9);
    --white-80: rgba(255, 255, 255, 0.8);
    --white-60: rgba(255, 255, 255, 0.6);
    --white-40: rgba(255, 255, 255, 0.4);
    --white-20: rgba(255, 255, 255, 0.2);
    --white-10: rgba(255, 255, 255, 0.1);
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.4);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 15px;
    --radius-lg: 20px;
    --radius-xl: 25px;
    --radius-full: 50px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* === ANIMATED BACKGROUND === */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* === FLOATING PARTICLES === */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.particle {
    position: absolute;
    background: var(--white-10);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* === LOADING OVERLAY === */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--white-10);
    border-left: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* === MODERN CARDS === */
.modern-card {
    background: var(--white-10);
    backdrop-filter: blur(20px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--white-10), transparent);
    transition: left var(--transition-slow);
}

.modern-card:hover::before {
    left: 100%;
}

.modern-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

/* === MODERN BUTTONS === */
.btn-modern {
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    padding: 15px 35px;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    font-size: 1.1rem;
    cursor: pointer;
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--white-20), transparent);
    transition: left var(--transition-slow);
}

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

.btn-modern:hover {
    color: var(--white);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-modern:active {
    transform: translateY(0);
}

/* Button Variants */
.btn-modern-secondary {
    background: var(--secondary-gradient);
}

.btn-modern-accent {
    background: var(--accent-gradient);
    color: var(--dark);
}

.btn-modern-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-modern-outline:hover {
    background: var(--primary);
    color: var(--white);
}

/* === MODERN INPUTS === */
.input-modern {
    background: var(--white-10);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-md);
    padding: 15px 20px;
    color: var(--white);
    font-size: 1rem;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    width: 100%;
}

.input-modern:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
    background: var(--white-20);
}

.input-modern::placeholder {
    color: var(--white-60);
}

/* === MODERN HEADERS === */
.header-modern {
    background: var(--white-10);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--white-20);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-modern h1 {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 10px;
}

.header-modern p {
    text-align: center;
    color: var(--white-80);
    font-size: 1.2rem;
}

/* === MODERN NAVIGATION === */
.nav-modern {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.nav-modern .btn-modern {
    padding: 12px 25px;
    font-size: 1rem;
}

/* === MODERN GRID === */
.grid-modern {
    display: grid;
    gap: 30px;
    margin-top: 40px;
}

.grid-modern-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-modern-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-modern-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* === MODERN ICONS === */
.icon-modern {
    font-size: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: iconPulse 2s ease-in-out infinite;
    margin-bottom: 20px;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* === MODERN BADGES === */
.badge-modern {
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: absolute;
    top: 20px;
    right: 20px;
}

.badge-modern-active {
    background: var(--accent-gradient);
    color: var(--dark);
    animation: badgeGlow 2s ease-in-out infinite;
}

@keyframes badgeGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(0, 255, 136, 0.5); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 136, 0.8); }
}

.badge-modern-warning {
    background: linear-gradient(45deg, #ffa726, #ff7043);
    color: var(--white);
}

.badge-modern-danger {
    background: linear-gradient(45deg, #ef5350, #e53935);
    color: var(--white);
}

/* === MODERN TABLES === */
.table-modern {
    width: 100%;
    background: var(--white-10);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--white-20);
}

.table-modern th {
    background: var(--white-20);
    padding: 20px;
    text-align: left;
    font-weight: 600;
    color: var(--white);
    border-bottom: 1px solid var(--white-20);
}

.table-modern td {
    padding: 20px;
    border-bottom: 1px solid var(--white-10);
    color: var(--white-80);
}

.table-modern tr:hover {
    background: var(--white-10);
}

/* === MODERN MODALS === */
.modal-modern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-modern.active {
    opacity: 1;
    visibility: visible;
}

.modal-content-modern {
    background: var(--white-10);
    backdrop-filter: blur(20px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.8);
    transition: transform var(--transition-bounce);
}

.modal-modern.active .modal-content-modern {
    transform: scale(1);
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.6s ease-out;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .header-modern h1 {
        font-size: 2rem;
    }
    
    .nav-modern {
        gap: 10px;
    }
    
    .nav-modern .btn-modern {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .grid-modern-2,
    .grid-modern-3,
    .grid-modern-4 {
        grid-template-columns: 1fr;
    }
    
    .modern-card {
        padding: 20px;
    }
    
    .modal-content-modern {
        padding: 30px 20px;
    }
}

/* === UTILITY CLASSES === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }

.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }
.p-4 { padding: 40px; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.cursor-pointer { cursor: pointer; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }