/* ==================== LOGIN PAGE — Claude-Inspired ==================== */

.login-page-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-page);
    padding: 40px 16px;
}

.login-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 440px;
    width: 100%;
    padding: 40px;
    animation: slideUp 0.3s var(--ease-std);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

.login-icon {
    width: 52px;
    height: 52px;
    background: var(--accent-subtle2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--accent);
    font-size: 20px;
}

.login-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
    letter-spacing: -0.03em;
}

.login-header p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

/* Form */
.login-form .form-group {
    margin-bottom: 18px;
}

.login-form label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.login-form label i {
    margin-right: 5px;
    width: 14px;
    text-align: center;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-input::placeholder { color: var(--text-subtle); }

/* Password wrapper */
.password-input-wrapper { position: relative; }
.password-input-wrapper .form-input { padding-right: 44px; }

.password-toggle {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    padding: 0 14px;
    background: none;
    border: none;
    color: var(--text-subtle);
    cursor: pointer;
    font-size: 14px;
    transition: color 0.15s;
}
.password-toggle:hover { color: var(--text-main); }

/* Submit button */
.btn-submit {
    width: 100%;
    padding: 11px 20px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-submit:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(196,107,79,0.3);
}

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

/* Footer text */
.form-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.link-primary {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
    margin-left: 3px;
}
.link-primary:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Invalid feedback */
.invalid-feedback {
    font-size: 0.78rem;
    color: var(--danger);
    margin-top: 4px;
    display: none;
}
.was-validated .form-input:invalid ~ .invalid-feedback,
.form-input.is-invalid ~ .invalid-feedback {
    display: block;
}

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


/* ==================== GOOGLE FIREBASE AUTH BUTTON ==================== */
.btn-google-auth {
    width: 100%;
    padding: 11px 18px;
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
}

.btn-google-auth:hover {
    background: var(--bg-surface-hover, #f3f1eb);
    border-color: var(--border-hover, #d3cec4);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

body.dark-mode .btn-google-auth:hover {
    background: #383835;
    border-color: #555550;
}

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

.btn-google-auth:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.google-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 22px 0 24px;
    color: var(--text-muted);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    padding: 0 14px;
}


/* ==================== PHONE FIREBASE AUTH ==================== */
.btn-phone-auth {
    width: 100%;
    padding: 11px 18px;
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-sm);
    margin-top: 10px;
    margin-bottom: 20px;
}

.btn-phone-auth:hover {
    background: var(--bg-surface-hover, #f3f1eb);
    border-color: var(--border-hover, #d3cec4);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

body.dark-mode .btn-phone-auth:hover {
    background: #383835;
    border-color: #555550;
}

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

.phone-icon {
    font-size: 16px;
    color: var(--accent);
}

.phone-auth-section {
    margin-bottom: 20px;
    animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.phone-auth-box {
    background: var(--bg-surface-hover, #f5f3ee);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px 16px;
}

body.dark-mode .phone-auth-box {
    background: #272724;
}

.phone-input-group {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.phone-prefix {
    padding: 10px 14px;
    background: var(--bg-page);
    border: 1px solid var(--border);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
}

.phone-input-group .form-input {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.otp-input-field {
    letter-spacing: 0.4em;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.btn-send-otp,
.btn-verify-otp {
    width: 100%;
    padding: 10px 16px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-send-otp:hover,
.btn-verify-otp:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-send-otp:disabled,
.btn-verify-otp:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.otp-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-subtle);
}

.btn-link-action {
    background: none;
    border: none;
    padding: 0;
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: underline;
}

.btn-link-action:hover {
    color: var(--accent-hover);
}

.phone-auth-alert {
    margin-top: 12px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    line-height: 1.4;
}

.phone-auth-alert.alert-error {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.25);
}

.phone-auth-alert.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.25);
}