/* ============================================
   ANDORA GRUP SU ARITMA SİSTEMLERİ
   Modern Mobil Odaklı Tasarım
   ============================================ */

/* ===== ROOT VARIABLES ===== */
:root {
    /* Açık Mavi Renk Paleti */
    --primary-blue: #4A90E2;
    --light-blue: #E8F4FD;
    --medium-blue: #6BB6FF;
    --dark-blue: #2E5C8A;
    --accent-blue: #87CEEB;
    --gradient-start: #4A90E2;
    --gradient-end: #87CEEB;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #E9ECEF;
    --dark-gray: #495057;
    --text-dark: #212529;
    --text-light: #6C757D;
    
    /* Status Colors */
    --success: #28A745;
    --warning: #FFC107;
    --danger: #DC3545;
    --info: #17A2B8;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.25);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== PRELOADER ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
    animation: fadeInUp 0.6s ease;
}

.logo-spinner {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    animation: spin 2s linear infinite;
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(74, 144, 226, 0.3));
}

.loading-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 30px;
    letter-spacing: 2px;
    animation: pulse 2s ease-in-out infinite;
}

.loading-bar-container {
    width: 200px;
    height: 4px;
    background: var(--medium-gray);
    border-radius: 10px;
    overflow: hidden;
    margin: 0 auto;
    position: relative;
}

.loading-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    border-radius: 10px;
    animation: loadingProgress 2s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(74, 144, 226, 0.5);
}

/* ===== MAIN CONTAINER ===== */
.main-container {
    display: none;
    max-width: 480px;
    margin: 0 auto;
    background: var(--white);
    min-height: 100vh;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow-x: hidden;
}

.main-container.show {
    display: block;
    animation: fadeIn 0.6s ease;
}

/* ===== HEADER SECTION ===== */
.header-section {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    padding: 30px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.header-content {
    position: relative;
    z-index: 1;
}

.header-logo {
    width: 80px;
    height: auto;
    margin-bottom: 15px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
    animation: float 3s ease-in-out infinite;
}

.header-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 5px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    letter-spacing: 1px;
}

.header-subtitle {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.95);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ===== DEVICE INFO SECTION ===== */
.device-info-section {
    padding: 20px;
    background: var(--white);
}

.device-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-blue) 100%);
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--light-blue);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.device-model {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.device-model i {
    font-size: 1.2rem;
}

.device-health {
    margin-top: 15px;
}

.health-indicator {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.health-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--success), #5CB85C);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    animation: heartbeat 2s ease-in-out infinite;
}

.health-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.health-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.health-status {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--success);
}

/* ===== FILTERS SECTION ===== */
.filters-section {
    padding: 20px;
    background: var(--light-gray);
}

.section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-left: 5px;
}

.section-title i {
    font-size: 1.2rem;
}

.filters-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.filter-card {
    background: var(--white);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.filter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.filter-card:hover {
    transform: translateX(5px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.filter-card.filter-membrane {
    border: 2px solid var(--medium-blue);
    background: linear-gradient(135deg, var(--white) 0%, var(--light-blue) 100%);
}

.filter-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.filter-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--medium-blue));
    color: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: var(--shadow-sm);
}

.filter-number.special {
    background: linear-gradient(135deg, var(--medium-blue), var(--accent-blue));
    font-size: 0.9rem;
}

.filter-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    flex: 1;
}

.filter-body {
    margin-top: 10px;
}

.filter-power {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.filter-power i {
    color: var(--primary-blue);
    font-size: 1rem;
}

.filter-power strong {
    color: var(--primary-blue);
    font-weight: 700;
}

.filter-progress {
    margin-top: 10px;
}

.progress-bar-custom {
    width: 100%;
    height: 8px;
    background: var(--medium-gray);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    border-radius: 10px;
    transition: width 1s ease;
    position: relative;
    box-shadow: 0 0 8px rgba(74, 144, 226, 0.4);
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

/* ===== STATS SECTION ===== */
.stats-section {
    padding: 20px;
    background: var(--white);
}

.stats-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.stat-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-blue) 100%);
    border-radius: 18px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--light-blue);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.stat-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--primary-blue), var(--medium-blue));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-blue);
}

/* ===== ACTIONS SECTION ===== */
.actions-section {
    padding: 20px;
    background: var(--light-gray);
    padding-bottom: 40px;
}

.actions-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.action-btn {
    background: var(--white);
    border: 2px solid var(--medium-gray);
    border-radius: 18px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: left;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    transition: left 0.5s ease;
}

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

.action-btn:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.action-btn:active {
    transform: translateX(5px) scale(0.98);
}

.btn-technical {
    border-color: var(--info);
    background: linear-gradient(135deg, var(--white) 0%, #E8F7FF 100%);
}

.btn-technical:hover {
    border-color: var(--info);
    background: linear-gradient(135deg, #E8F7FF 0%, var(--white) 100%);
}

.btn-filter {
    border-color: var(--warning);
    background: linear-gradient(135deg, var(--white) 0%, #FFF8E8 100%);
}

.btn-filter:hover {
    border-color: var(--warning);
    background: linear-gradient(135deg, #FFF8E8 0%, var(--white) 100%);
}

.btn-customer {
    border-color: var(--success);
    background: linear-gradient(135deg, var(--white) 0%, #E8F8F0 100%);
}

.btn-customer:hover {
    border-color: var(--success);
    background: linear-gradient(135deg, #E8F8F0 0%, var(--white) 100%);
}

.action-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.btn-technical .action-icon {
    background: linear-gradient(135deg, var(--info), #5BC0DE);
    color: var(--white);
}

.btn-filter .action-icon {
    background: linear-gradient(135deg, var(--warning), #FFD54F);
    color: var(--white);
}

.btn-customer .action-icon {
    background: linear-gradient(135deg, var(--success), #5CB85C);
    color: var(--white);
}

.action-btn:hover .action-icon {
    transform: scale(1.1) rotate(5deg);
}

.action-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.action-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
}

.action-subtitle {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.action-arrow {
    color: var(--text-light);
    font-size: 1.2rem;
    transition: transform var(--transition-normal);
}

.action-btn:hover .action-arrow {
    transform: translateX(5px);
    color: var(--primary-blue);
}

/* ===== FOOTER ===== */
.footer-section {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    padding: 25px 20px;
    text-align: center;
    color: var(--white);
}

.footer-text {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.footer-text i {
    font-size: 1rem;
}

.footer-copyright {
    font-size: 0.75rem;
    opacity: 0.8;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes loadingProgress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

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

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

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

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

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

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ===== RESPONSIVE DESIGN ===== */
/* Tablet ve daha büyük ekranlar için telefon modu korunuyor */
@media (min-width: 481px) {
    .main-container {
        max-width: 480px;
        box-shadow: var(--shadow-xl);
    }
}

/* Küçük ekranlar için optimizasyon */
@media (max-width: 360px) {
    html {
        font-size: 14px;
    }
    
    .header-title {
        font-size: 1.5rem;
    }
    
    .filter-card,
    .stat-card,
    .action-btn {
        padding: 15px;
    }
}

/* Yatay mod için */
@media (orientation: landscape) and (max-height: 600px) {
    .header-section {
        padding: 20px;
    }
    
    .header-logo {
        width: 60px;
        margin-bottom: 10px;
    }
    
    .header-title {
        font-size: 1.5rem;
    }
}

/* Touch devices için */
@media (hover: none) and (pointer: coarse) {
    .filter-card:active,
    .action-btn:active {
        transform: scale(0.98);
    }
}

/* Dark mode support (opsiyonel) */
@media (prefers-color-scheme: dark) {
    /* Sistem karanlık mod tercih edilse bile açık mavi tema korunacak */
}

/* Print styles */
@media print {
    .preloader,
    .action-btn {
        display: none;
    }
}