/* =========================================================
   Seçkin Enerji — Ortak Tasarım Sistemi (main.css)
   Header, footer, form, buton, kart ve uyarı bileşenleri için
   paylaşılan stiller. Sayfa jenerik markup'ı (nav, header, footer)
   includes/header.php ve includes/footer.php dosyalarında.
   ========================================================= */

:root {
    /* Marka renkleri */
    --color-primary: #7ED321;
    --color-primary-dark: #5FA816;
    --color-primary-light: #A6E866;
    --color-dark: #0a0a0a;
    --color-dark-green: #1e3c1e;
    --color-dark-green-2: #2d5a2d;
    --color-navy: #1a1a2e;

    /* Nötr tonlar */
    --color-white: #ffffff;
    --color-gray-50: #f8f9fa;
    --color-gray-100: #f0f0f0;
    --color-gray-200: #e0e0e0;
    --color-gray-400: #999999;
    --color-gray-600: #666666;
    --color-gray-900: #1a1a1a;

    /* Durum renkleri */
    --color-danger: #e74c3c;
    --color-danger-bg: #f8d7da;
    --color-danger-text: #721c24;
    --color-warning: #f39c12;
    --color-warning-bg: #fff3cd;
    --color-warning-text: #856404;
    --color-success: #27ae60;
    --color-success-bg: #d4edda;
    --color-success-text: #155724;
    --color-info: #3498db;
    --color-info-bg: #d1ecf1;
    --color-info-text: #0c5460;

    /* Tipografi */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Yarıçap / gölge / geçiş */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --transition-base: 0.25s ease;

    --header-height: 100px;
    --content-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

.container {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* Erişilebilirlik: klavye ile gezinirken görünür odak halkası */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* ===== HEADER & NAVİGASYON ===== */
.header-spacer { height: var(--header-height); }

header.site-header {
    background: linear-gradient(135deg, var(--color-dark-green) 0%, var(--color-dark-green-2) 50%, var(--color-dark-green) 100%);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 3px solid var(--color-primary);
    transition: transform 0.4s ease-in-out;
}

header.site-header.hide { transform: translateY(-100%); }

.nav-container {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    height: 70px;
    display: flex;
    align-items: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.logo:hover {
    transform: scale(1.06);
    filter: drop-shadow(0 0 10px rgba(126, 211, 33, 0.5));
}

.logo img {
    height: 70px;
    width: auto;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

nav.main-nav ul {
    display: flex;
    list-style: none;
    gap: 24px;
    align-items: center;
    flex-wrap: wrap;
}

nav.main-nav a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
}

nav.main-nav a:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.verification-warning {
    color: var(--color-warning) !important;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.btn-nav {
    background: var(--color-primary);
    color: #000 !important;
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    transition: all var(--transition-base);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-nav:hover {
    background: var(--color-primary-light);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(126, 211, 33, 0.4);
}

/* Dropdown menü */
.dropdown { position: relative; }

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: linear-gradient(135deg, var(--color-dark-green-2) 0%, var(--color-dark-green) 100%);
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    border-radius: var(--radius-md);
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    border: 2px solid var(--color-primary);
    z-index: 1001;
    overflow: hidden;
}

.dropdown-content a {
    color: var(--color-white);
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    border-bottom: 1px solid rgba(126, 211, 33, 0.2);
    font-size: 13px;
    transition: all var(--transition-base);
}

.dropdown-content a:last-child { border-bottom: none; }

.dropdown-content a:hover {
    background: rgba(126, 211, 33, 0.15);
    color: var(--color-primary);
    padding-left: 25px;
}

.dropdown:hover .dropdown-content,
.dropdown.active .dropdown-content { display: block; }

/* Dil seçici */
.lang-switch { position: relative; }

.lang-switch-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-pill);
    padding: 8px 14px;
    color: var(--color-white);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.lang-switch-toggle:hover { border-color: var(--color-primary); }

.lang-switch-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    min-width: 170px;
    z-index: 1001;
}

.lang-switch.active .lang-switch-menu,
.lang-switch:hover .lang-switch-menu { display: block; }

.lang-switch-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: background var(--transition-base);
}

.lang-switch-menu a:hover { background: var(--color-gray-50); }
.lang-switch-menu a.active { color: var(--color-primary-dark); font-weight: 700; }

.mobile-menu-toggle {
    display: none;
    color: var(--color-white);
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
    background: none;
    border: none;
}

/* ===== FLASH MESAJLARI ===== */
.flash-message {
    padding: 15px 20px;
    margin: 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    position: fixed;
    top: 90px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
    box-shadow: var(--shadow-md);
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.flash-success { background: var(--color-success-bg); color: var(--color-success-text); border: 1px solid #c3e6cb; }
.flash-error   { background: var(--color-danger-bg); color: var(--color-danger-text); border: 1px solid #f5c6cb; }
.flash-warning { background: var(--color-warning-bg); color: var(--color-warning-text); border: 1px solid var(--color-warning); }
.flash-info    { background: var(--color-info-bg); color: var(--color-info-text); border: 1px solid var(--color-info); }

/* ===== GENEL BİLEŞENLER (auth / customer / admin sayfaları için) ===== */
.alert {
    padding: 15px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    border-left: 4px solid;
    font-size: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.alert-success { background: var(--color-success-bg); color: var(--color-success-text); border-color: var(--color-success); }
.alert-error   { background: var(--color-danger-bg); color: var(--color-danger-text); border-color: var(--color-danger); }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning-text); border-color: var(--color-warning); }
.alert-info    { background: var(--color-info-bg); color: var(--color-info-text); border-color: var(--color-info); }

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.card-narrow { max-width: 460px; margin: 60px auto; padding: 0 20px; }
.card-narrow .card { border-top: 5px solid var(--color-primary); }

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-family: inherit;
    transition: border-color var(--transition-base);
}

.form-control:focus {
    border-color: var(--color-primary);
    outline: none;
}

.form-icon-wrap { position: relative; }
.form-icon-wrap .form-control { padding-left: 45px; }
.form-icon-wrap i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-primary);
}

/* ===== AUTH SAYFALARI (login/register/verify/forgot/reset/resend) ===== */
.text-center { text-align: center; }
.auth-card-header { text-align: center; margin-bottom: 30px; }
.auth-card-header i.auth-icon { font-size: 48px; color: var(--color-primary); margin-bottom: 15px; display: inline-block; }
.auth-card-header i.auth-icon-lg { font-size: 64px; }
.auth-card-header h2 { font-size: 26px; margin-bottom: 10px; }
.auth-card-header p { color: #666; font-size: 14px; }
.auth-footer { text-align: center; margin-top: 25px; padding-top: 20px; border-top: 1px solid var(--color-gray-200); }
.auth-footer p { color: #666; font-size: 14px; margin-bottom: 10px; }
.auth-footer a { color: var(--color-primary); font-weight: 700; text-decoration: none; }
.auth-link-muted { color: #999; font-size: 13px; display: inline-flex; align-items: center; gap: 5px; text-decoration: none; }
.auth-link-back { color: #666; text-decoration: none; font-size: 14px; }
.form-forgot-link { margin-bottom: 20px; text-align: right; }
.form-forgot-link a { color: #666; font-size: 14px; text-decoration: none; }
.verify-code-input { font-size: 24px; text-align: center; letter-spacing: 10px; font-weight: bold; }
.auth-status-icon { font-size: 64px; margin-bottom: 20px; }
.auth-status-icon.success { color: var(--color-success); }
.auth-status-icon.warning { color: var(--color-warning); }
.auth-status-icon.error { color: var(--color-danger); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
}

.btn-block { width: 100%; }

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #000;
    box-shadow: 0 8px 24px rgba(126, 211, 33, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(126, 211, 33, 0.4); }

.btn-dark {
    background: #000;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.btn-dark:hover { background: #1a1a1a; }

.btn-outline {
    background: transparent;
    color: #333;
    border: 2px solid var(--color-gray-200);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }

.btn-secondary {
    background: #6c757d;
    color: var(--color-white);
}
.btn-secondary:hover { background: #5a6268; }

.btn-danger { background: var(--color-danger); color: var(--color-white); }
.btn-danger:hover { background: #c0392b; }

.btn-sm { padding: 10px 20px; font-size: 14px; }

/* ===== ALT BİLGİ (FOOTER) ===== */
footer.site-footer {
    background: linear-gradient(135deg, var(--color-dark-green) 0%, var(--color-dark-green-2) 50%, var(--color-dark-green) 100%);
    color: var(--color-white);
    padding: 60px 0 30px;
    border-top: 3px solid var(--color-primary);
}

.footer-grid {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-grid h4 {
    color: var(--color-primary);
    margin-bottom: 20px;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-grid p, .footer-grid a { color: rgba(255, 255, 255, 0.7); font-size: 14px; line-height: 1.9; }

.footer-grid ul { list-style: none; }

.footer-links a {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-base);
}
.footer-links a:hover { color: var(--color-primary); transform: translateX(5px); }

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid rgba(126, 211, 33, 0.3);
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

.footer-logo img { height: 60px; margin-bottom: 20px; }

/* WhatsApp widget */
#whatsapp-widget { position: fixed; bottom: 30px; right: 30px; z-index: 9999; }
#whatsapp-widget a {
    display: flex;
    align-items: center;
    background: #25D366;
    color: var(--color-white);
    padding: 15px 25px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
    font-weight: 600;
    font-size: 15px;
}
#whatsapp-widget a:hover { transform: scale(1.05); box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6); }
#whatsapp-widget i { font-size: 24px; margin-right: 10px; }

/* ===== MOBİL ===== */
@media (max-width: 768px) {
    .header-spacer { height: 88px; }

    .mobile-menu-toggle { display: block; }

    nav.main-nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, var(--color-dark-green) 0%, var(--color-dark-green-2) 100%);
        flex-direction: column;
        padding: 20px;
        border-top: 2px solid var(--color-primary);
        gap: 15px;
        align-items: stretch;
    }

    nav.main-nav ul.active { display: flex; }

    nav.main-nav a { font-size: 16px; padding: 10px 0; display: block; text-align: center; }

    .dropdown-content {
        position: static;
        transform: none;
        width: 100%;
        margin-top: 10px;
        border: 1px solid var(--color-primary);
    }

    .lang-switch-menu { position: static; width: 100%; margin-top: 10px; display: none; box-shadow: none; }
    .lang-switch.active .lang-switch-menu { display: block; }

    .logo { height: 50px; }
    .logo img { height: 50px; }

    .flash-message { left: 20px; right: 20px; max-width: none; top: 80px; }

    .card { padding: 28px; }
}

@media (max-width: 380px) {
    .header-spacer { height: 80px; }
}