/* ============================================================
   Kerem.dev — Auth Pages CSS
   Styling for login screen.
   ============================================================ */

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

:root {
    --bg-primary: #0a0a0f;
    --bg-card: #1a1a25;
    --bg-input: #16161f;
    --border: #2a2a3a;
    --border-focus: #6c5ce7;
    --text-primary: #e8e8ed;
    --text-secondary: #9090a0;
    --text-muted: #606070;
    --accent: #6c5ce7;
    --accent-hover: #7c6cf7;
    --success: #00d68f;
    --error: #ff6b6b;
    --gradient: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
    --radius: 16px;
    --radius-sm: 10px;
}

html, body { height: 100%; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    overflow: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 20%, rgba(108,92,231,0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(162,155,254,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    animation: fadeUp 0.6s ease-out;
    position: relative;
    z-index: 1;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(108,92,231,0.3);
    transition: transform 0.3s ease;
}

.auth-logo:hover { transform: scale(1.05); }

.auth-header h1 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.3px;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

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

.auth-form label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.password-wrapper {
    position: relative;
}

.password-wrapper input {
    width: 100%;
    padding: 14px 44px 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s ease;
    outline: none;
}

.password-wrapper input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(108,92,231,0.15);
}

.password-wrapper input::placeholder { color: var(--text-muted); }

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    transition: color 0.2s;
}

.toggle-password:hover { color: var(--text-secondary); }

.btn {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108,92,231,0.3);
}

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

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn .spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    position: absolute;
    left: calc(50% - 9px);
    top: calc(50% - 9px);
}

@keyframes spin { to { transform: rotate(360deg); } }

.btn.loading .btn-text { visibility: hidden; }
.btn.loading .spinner { display: block; }

.auth-message {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 20px;
    display: none;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.auth-message.error {
    display: block;
    background: rgba(255,107,107,0.1);
    border: 1px solid rgba(255,107,107,0.2);
    color: var(--error);
}

.auth-message.success {
    display: block;
    background: rgba(0,214,143,0.1);
    border: 1px solid rgba(0,214,143,0.2);
    color: var(--success);
}

.auth-footer {
    text-align: center;
    margin-top: 28px;
    font-size: 12px;
    color: var(--text-muted);
}

@media (max-width: 480px) {
    .auth-container { padding: 16px; }
    .auth-card { padding: 28px 20px; }
}