/* ============================================================
   hazirsiteyaptir.com — Platform CSS
   ============================================================ */

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-secondary: #8b5cf6;
    --color-accent: #f59e0b;
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-text: #111827;
    --color-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: var(--color-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---- Header ---- */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.header-logo {
    font-size: 1.25rem;
    color: var(--color-text);
    letter-spacing: -0.02em;
}
.header-logo strong {
    color: var(--color-primary);
}
.header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.header-nav a {
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}
.header-nav a:hover {
    color: var(--color-text);
}

/* ---- Footer ---- */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    margin-top: 4rem;
}
.footer-inner {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.85rem;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1.4;
}
.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.825rem;
}
.btn-lg {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
}
.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    color: #fff;
}
.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-outline:hover {
    background: var(--color-bg-alt);
    color: var(--color-text);
}
.btn-danger {
    background: var(--color-error);
    color: #fff;
    border-color: var(--color-error);
}
.btn-block {
    display: flex;
    width: 100%;
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 1.25rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}
.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}
.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-hint {
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-top: 0.25rem;
}
.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}
.form-check input[type="checkbox"] {
    margin-top: 0.25rem;
    accent-color: var(--color-primary);
}
.form-check label {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-bottom: 0;
}

/* ---- Alerts ---- */
.alert {
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius);
    margin: 1rem 0;
    font-size: 0.9rem;
    line-height: 1.5;
}
.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}
.alert-warning {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}
.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* ---- Auth Pages ---- */
.auth-page {
    min-height: calc(100vh - 64px - 100px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}
.auth-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.375rem;
    letter-spacing: -0.02em;
}
.auth-card .auth-subtitle {
    color: var(--color-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}
.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-muted);
}
.auth-footer a {
    font-weight: 500;
}
.auth-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    font-size: 0.85rem;
}

/* ---- Card ---- */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

/* ---- Utilities ---- */
.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.text-sm { font-size: 0.875rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }