/* =============================================
   Upload & Print — Login Page Styles (login.css)
   Extracted from login.html for caching & themes.
   All colors use CSS custom properties from theme.css
   ============================================= */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Space Grotesk', -apple-system, sans-serif;
    min-height: 100vh;
    min-height: 100dvh;
    background: var(--bg-950);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 420px;
}

/* ===== Logo ===== */
.logo {
    text-align: center;
    margin-bottom: 40px;
}

.logo-mark {
    width: 48px;
    height: 48px;
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.logo-mark svg {
    width: 22px;
    height: 22px;
    fill: var(--accent);
}

.logo h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.logo p {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* ===== Card ===== */
.auth-card {
    background: var(--bg-850);
    border: 1px solid var(--border-soft);
    padding: 36px 32px;
}

/* ===== Tabs ===== */
.auth-tabs {
    display: flex;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-soft);
}

.auth-tab {
    flex: 1;
    padding: 14px 16px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: inherit;
    position: relative;
}

.auth-tab.active {
    color: var(--accent);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
}

.auth-tab:hover:not(.active) {
    color: var(--text-secondary);
}

/* ===== Form ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.form-group input {
    width: 100%;
    padding: 16px;
    border: 1px solid var(--border-soft);
    border-radius: 4px;
    background: var(--surface-2);
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    font-weight: 500;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--login-surface-hover);
}

.form-group input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* ===== Submit ===== */
.submit-btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 4px;
    background: var(--accent);
    color: var(--accent-on);
    font-size: 12px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s ease;
    margin-top: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.submit-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
    background: var(--accent-active);
}

.submit-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

/* ===== Divider ===== */
.divider {
    display: flex;
    align-items: center;
    margin: 28px 0;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
}

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

.divider span {
    padding: 0 16px;
    text-transform: uppercase;
}

/* ===== Google ===== */
.google-btn {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-soft);
    border-radius: 4px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.15s ease;
    letter-spacing: 0.5px;
}

.google-btn:hover {
    background: var(--login-surface-hover);
    border-color: var(--login-border-focus);
    color: var(--text-primary);
}

.google-btn:active {
    background: var(--surface-2);
}

.google-btn svg {
    width: 18px;
    height: 18px;
}

/* ===== Guest Upload ===== */
.guest-link {
    display: block;
    text-align: center;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    text-decoration: none;
    padding: 14px;
    transition: all 0.15s ease;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1px solid transparent;
}

.guest-link:hover {
    color: var(--text-primary);
    border-color: var(--border-soft);
}

/* ===== Messages ===== */
.error-message {
    background: var(--login-error-bg);
    border: 1px solid rgba(255, 68, 68, 0.2);
    color: var(--error-color);
    padding: 14px 16px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
    display: none;
}

.error-message.show {
    display: block;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
}

.success-message {
    background: var(--overlay-strong);
    border: 1px solid rgba(200, 255, 0, 0.15);
    color: var(--accent);
    padding: 14px 16px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
    display: none;
    text-align: center;
}

.success-message.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.success-overlay {
    position: fixed;
    inset: 0;
    background: var(--login-success-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.success-overlay.show {
    opacity: 1;
    visibility: visible;
}

.success-overlay-content {
    text-align: center;
}

.success-overlay-icon {
    width: 64px;
    height: 64px;
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    animation: scaleIn 0.4s ease 0.2s both;
}

.success-overlay-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.success-overlay-text {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeIn 0.4s ease 0.4s both;
}

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--login-spinner-track);
    border-radius: 50%;
    border-top-color: var(--login-spinner-fill);
    animation: spin 0.7s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

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

.g_id_signin {
    display: none !important;
}

/* ===== Recommended badge ===== */
.recommended-badge {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.6rem;
    color: var(--overlay-text-bright);
    background: var(--login-recommended-bg);
    padding: 0 8px;
    letter-spacing: 1.5px;
    font-weight: 500;
    z-index: 1;
}

/* ===== Footer ===== */
.footer-text {
    text-align: center;
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ===== Mobile ===== */
@media (max-width: 600px) {
    body {
        padding: 0;
        justify-content: flex-start;
    }

    .container {
        max-width: 100%;
        min-height: 100vh;
        min-height: 100dvh;
        display: flex;
        flex-direction: column;
    }

    .logo {
        padding: 48px 24px 28px;
        margin-bottom: 0;
    }

    .logo h1 {
        font-size: 18px;
    }

    .auth-card {
        padding: 28px 24px 48px;
        border: none;
        border-top: 1px solid var(--border-soft);
        flex: 1;
    }

    .auth-tabs {
        margin-bottom: 24px;
    }

    .auth-tab {
        padding: 14px 12px;
        font-size: 11px;
        min-height: 44px;
    }

    .form-group input {
        padding: 16px;
        font-size: 16px;
        min-height: 52px;
    }

    .submit-btn {
        padding: 16px;
        font-size: 12px;
        min-height: 52px;
        margin-top: 10px;
    }

    .google-btn {
        min-height: 52px;
    }

    .footer-text {
        padding-bottom: 20px;
    }
}

@media (max-width: 374px) {
    .logo {
        padding: 36px 20px 24px;
    }

    .auth-card {
        padding: 24px 18px 40px;
    }

    .auth-tab {
        padding: 12px 8px;
        font-size: 10px;
    }
}

/* OTP separate boxes */
.otp-boxes {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 8px;
}
.otp-box {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    font-family: inherit;
    border: 1px solid var(--border-soft);
    border-radius: 6px;
    background: var(--surface-2);
    color: var(--text-primary);
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    caret-color: var(--accent);
}
.otp-box:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--login-surface-hover);
    box-shadow: 0 0 0 2px var(--overlay-strong);
}
.otp-box.filled {
    border-color: var(--login-border-focus);
}
.form-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
}
.forgot-link {
    display: inline-block;
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.15s ease;
}
.forgot-link:hover {
    color: var(--text-primary);
    text-decoration: underline;
}
@media (max-width: 374px) {
    .otp-box { width: 40px; height: 48px; font-size: 20px; gap: 6px; }
}