/* assets/css/style.css */

/* ============================================
   GENEL STILLER
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-purple: #6B2C91;
    --secondary-pink: #E8B4D9;
    --background-light: #F5E6F0;
    --background-dark: #4A1A5C;
    --danger-red: #DC3545;
    --warning-orange: #FF9933;
    --success-green: #28A745;
    --info-blue: #17A2B8;
    --well-red: #FF6B6B;
    --seawater-blue: #4ECDC4;
    --recovery-orange: #FF9933;
    --concentrate-green: #95E1D3;
    --text-dark: #333333;
    --text-light: #666666;
    --border-color: #CCCCCC;
    --input-bg: #FFFFCC;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--background-light) 0%, #FFFFFF 100%);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* ============================================
   DİL SEÇİM SAYFASI
   ============================================ */
.language-selection-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
}

.logo-container {
    margin-bottom: 60px;
}

.main-logo {
    max-width: 300px;
    margin-bottom: 20px;
}

.logo-container h1 {
    color: var(--primary-purple);
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 2px;
}

.language-buttons {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
}

.language-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 200px;
    background: white;
    border: 3px solid var(--primary-purple);
    border-radius: 20px;
    text-decoration: none;
    color: var(--primary-purple);
    font-size: 24px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.language-btn:hover {
    background: var(--primary-purple);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0,0,0,0.2);
}

.language-btn i {
    font-size: 60px;
    margin-bottom: 20px;
}

.company-info {
    color: var(--text-light);
    font-size: 14px;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.main-header {
    background: var(--primary-purple);
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;      /* YENİ - mobil uyumluluk için */
    gap: 20px;            /* YENİ - öğeler arası boşluk */
}

.header-logo img {
    max-height: 60px;
}

.header-title {
    flex: 1;              /* YENİ - başlık genişliği için */
}

.header-title h1 {
    font-size: 24px;
    margin-bottom: 5px;
}

.header-title p {
    font-size: 14px;
    opacity: 0.9;
}

.language-switcher {
    display: flex;
    gap: 10px;
}

.lang-btn {
    padding: 8px 16px;
    background: rgba(255,255,255,0.2);
    border: 1px solid white;
    border-radius: 5px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.lang-btn:hover,
.lang-btn.active {
    background: white;
    color: var(--primary-purple);
}

/* ============================================
   FORM STILLER
   ============================================ */
.page-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.page-content h2 {
    color: var(--primary-purple);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--secondary-pink);
}

.form-section {
    margin-bottom: 30px;
}

.form-section h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.form-group input,
.form-group select {
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 14px;
    background: var(--input-bg);
    transition: border-color 0.3s ease;
}

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

.form-group input[readonly] {
    background: #F0F0F0;
    cursor: not-allowed;
}

/* ============================================
   BUTONLAR
   ============================================ */
.manufacturer-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.manufacturer-btn {
    padding: 12px 24px;
    background: white;
    border: 2px solid var(--primary-purple);
    border-radius: 8px;
    color: var(--primary-purple);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.manufacturer-btn:hover {
    background: var(--secondary-pink);
}

.manufacturer-btn.active {
    background: var(--primary-purple);
    color: white;
}

.water-type-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.water-type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border: 3px solid transparent;
    border-radius: 15px;
    color: white;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 150px;
}

.water-type-btn i {
    font-size: 48px;
    margin-bottom: 15px;
}

.water-type-btn.well { background: var(--well-red); }
.water-type-btn.seawater { background: var(--seawater-blue); }
.water-type-btn.recovery { background: var(--recovery-orange); }
.water-type-btn.concentrate { background: var(--concentrate-green); }

.water-type-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.water-type-btn.active {
    border-color: var(--text-dark);
    box-shadow: 0 0 0 4px rgba(107, 44, 145, 0.3);
}

/* ============================================
   UYARILAR
   ============================================ */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-warning {
    background: #FFF3CD;
    border: 1px solid #FFE69C;
    color: #856404;
}

.alert-danger {
    background: #F8D7DA;
    border: 1px solid #F5C6CB;
    color: #721C24;
}

/* ============================================
   NAVİGASYON BUTONLARI
   ============================================ */
.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: var(--primary-purple);
    color: white;
}

.btn-primary:hover {
    background: var(--background-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: var(--text-light);
    color: white;
}

.btn-secondary:hover {
    background: var(--text-dark);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .language-buttons {
        flex-direction: column;
        gap: 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .water-type-buttons {
        grid-template-columns: 1fr;
    }
    
    .navigation-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}