/* ============================================
   PIN SHEET STUDIO — Auth Styles
   ============================================ */

:root {
    --color-bg: #f4f5f7;
    --color-surface: #ffffff;
    --color-primary: #E63946;
    --color-primary-hover: #d62836;
    --color-text: #1a1a2e;
    --color-text-secondary: #64748b;
    --color-border: #e2e8f0;
    --color-error: #dc2626;
    --color-error-bg: #fef2f2;
    --color-error-border: #fecaca;
    --color-success: #16a34a;
    --color-success-bg: #f0fdf4;
    --color-success-border: #bbf7d0;
    --color-input-bg: #f8fafc;
    --color-input-focus: #E63946;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --radius: 12px;
    --radius-sm: 8px;
}

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

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(230,57,70,0.04) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(230,57,70,0.03) 0%, transparent 50%),
        var(--color-bg);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px 36px;
    border: 1px solid var(--color-border);
}

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

.auth-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.auth-logo svg {
    filter: drop-shadow(0 2px 4px rgba(230,57,70,0.2));
}

.auth-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 400;
}

.setup-info {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 24px;
    line-height: 1.5;
}

/* Alerts */
.auth-alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    margin-bottom: 24px;
    line-height: 1.4;
}

.auth-alert-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
}

.auth-alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

/* Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    height: 44px;
    padding: 0 14px;
    font-size: 14px;
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-input-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.form-group input:focus {
    border-color: var(--color-input-focus);
    box-shadow: 0 0 0 3px rgba(230,57,70,0.1);
    background: var(--color-surface);
}

.form-group input::placeholder {
    color: #94a3b8;
}

/* Password toggle */
.input-password-wrap {
    position: relative;
}

.input-password-wrap input {
    padding-right: 44px;
}

.toggle-password {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    border-radius: 6px;
    transition: color 0.15s, background 0.15s;
}

.toggle-password:hover {
    color: var(--color-text-secondary);
    background: rgba(0,0,0,0.04);
}

/* Button */
.auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    padding: 0 24px;
    font-size: 14.5px;
    font-weight: 600;
    font-family: var(--font-family);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
    gap: 8px;
}

.auth-btn:active {
    transform: scale(0.98);
}

.auth-btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 1px 3px rgba(230,57,70,0.3);
}

.auth-btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: 0 2px 6px rgba(230,57,70,0.35);
}

.auth-btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    animation: spin 0.8s linear infinite;
}

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

/* Footer */
.auth-footer {
    margin-top: 28px;
    font-size: 12px;
    color: #b0b8c4;
    text-align: center;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-card {
        padding: 32px 24px;
    }
    .auth-wrapper {
        padding: 16px;
    }
}