/* ── Navakarana Streams — Mobile-first stylesheet ───────────────────────── */

:root {
    --nava-red:        #8B1A1A;
    --nava-red-hover:  #6d1414;
    --nava-black:      #111111;
    --nava-white:      #ffffff;
    --nava-gray:       #666666;
    --nava-light-gray: #f5f5f5;
    --nava-border:     #d5d5d5;
    --nava-font:       system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
    --nava-radius:     2px;
    --nava-transition: 0.2s ease;
}

/* ── Reset / Base ────────────────────────────────────────────────────────── */

.nava-wrap *,
.nava-wrap *::before,
.nava-wrap *::after {
    box-sizing: border-box;
}

.nava-wrap {
    font-family: var(--nava-font);
    color: var(--nava-black);
    line-height: 1.5;
    width: 100%;
}

/* ── Typography helpers ──────────────────────────────────────────────────── */

.nava-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--nava-black);
    text-align: center;
    margin: 0 0 1.5rem;
    letter-spacing: 0.02em;
}

.nava-red {
    color: var(--nava-red);
}

.nava-already-logged-in {
    text-align: center;
    color: var(--nava-gray);
    padding: 2rem;
}

/* ── Form Card ───────────────────────────────────────────────────────────── */

.nava-form-card {
    background: var(--nava-white);
    border: 1px solid var(--nava-border);
    padding: 2rem 1.25rem;
    width: 100%;
    max-width: 480px;
    margin: 2rem auto;
}

.nava-form-card .nava-greeting {
    font-size: 0.875rem;
    color: var(--nava-gray);
    margin: 0 0 1.25rem;
}

/* ── Form Fields ─────────────────────────────────────────────────────────── */

.nava-field {
    margin-bottom: 1rem;
}

.nava-field label {
    display: block;
    font-size: 0.8125rem;
    color: var(--nava-gray);
    margin-bottom: 0.375rem;
    letter-spacing: 0.02em;
}

.nava-field input[type="text"],
.nava-field input[type="email"],
.nava-field input[type="password"] {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: var(--nava-font);
    color: var(--nava-black);
    background: var(--nava-white);
    border: 1px solid var(--nava-border);
    border-radius: var(--nava-radius);
    outline: none;
    transition: border-color var(--nava-transition);
    min-height: 44px; /* mobile touch target */
}

.nava-field input:focus {
    border-color: var(--nava-red);
}

.nava-field input::placeholder {
    color: #aaaaaa;
}

/* Two-column row (first + last name) */
.nava-field-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ── Checkbox ────────────────────────────────────────────────────────────── */

.nava-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    margin-bottom: 1rem;
}

.nava-checkbox input[type="checkbox"] {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--nava-red);
    cursor: pointer;
    min-width: 18px; /* ensures 44px tap zone via label */
}

.nava-checkbox label {
    font-size: 0.8125rem;
    color: var(--nava-gray);
    line-height: 1.4;
    cursor: pointer;
}

.nava-checkbox a {
    color: var(--nava-red);
    text-decoration: none;
}

.nava-checkbox a:hover {
    text-decoration: underline;
}

/* ── Remember / Forgot row ───────────────────────────────────────────────── */

.nava-form-footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    font-size: 0.8125rem;
}

.nava-form-footer-row a {
    color: var(--nava-red);
    text-decoration: none;
}

.nava-form-footer-row a:hover {
    text-decoration: underline;
}

/* ── Button ──────────────────────────────────────────────────────────────── */

.nava-btn {
    display: block;
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.875rem;
    font-family: var(--nava-font);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    color: var(--nava-white);
    background: var(--nava-red);
    border: none;
    border-radius: var(--nava-radius);
    cursor: pointer;
    transition: background var(--nava-transition);
    min-height: 44px;
}

.nava-btn:hover,
.nava-btn:focus {
    background: var(--nava-red-hover);
    outline: none;
}

.nava-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ── Form bottom link ────────────────────────────────────────────────────── */

.nava-form-alt-link {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.8125rem;
    color: var(--nava-gray);
}

.nava-form-alt-link a {
    color: var(--nava-red);
    text-decoration: none;
    font-weight: 600;
}

.nava-form-alt-link a:hover {
    text-decoration: underline;
}

/* ── Notices ─────────────────────────────────────────────────────────────── */

.nava-notice {
    padding: 0.75rem 1rem;
    border-radius: var(--nava-radius);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.nava-notice-error {
    background: #fff2f2;
    border: 1px solid #f5c6c6;
    color: #8b1a1a;
}

.nava-notice-success {
    background: #f2fff4;
    border: 1px solid #c6e9cb;
    color: #1a5c28;
}

/* ── Desktop ─────────────────────────────────────────────────────────────── */

@media (min-width: 768px) {

    .nava-form-card {
        padding: 2.5rem 2rem;
    }

    .nava-field-row {
        flex-direction: row;
    }

    .nava-field-row .nava-field {
        flex: 1;
    }
}

/* ── Back navigation link ─────────────────────────────────────────────────── */

.nava-back-link {
    display: inline-flex;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--nava-gray, #666);
    text-decoration: none;
    margin-bottom: 1.25rem;
    letter-spacing: 0.03em;
    transition: color 0.15s;
}
.nava-back-link:hover {
    color: var(--nava-black, #111);
}