/* =========================================================
   TunaGrow CBO – Login Styles
   File: login/style.css
   ========================================================= */

/* ── Reset & base ─────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-base:      #0b1120;
    --bg-card:      #131e30;
    --bg-input:     #0d1626;
    --border:       #1e2f47;
    --border-focus: #3b82f6;
    --accent:       #3b82f6;
    --accent-hover: #2563eb;
    --text-primary: #e8edf5;
    --text-muted:   #64748b;
    --text-label:   #94a3b8;
    --error:        #ef4444;
    --error-bg:     rgba(239, 68, 68, .10);
    --success:      #22c55e;
    --success-bg:   rgba(34, 197, 94, .10);
    --warning:      #f59e0b;
    --radius:       10px;
    --shadow:       0 24px 48px rgba(0, 0, 0, .55);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background: radial-gradient(ellipse at 60% 20%, #0f2040 0%, var(--bg-base) 70%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
}

/* ── Layout ───────────────────────────────────────────── */
.login-wrapper {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 2.5rem 2.25rem;
    box-shadow: var(--shadow);
    animation: card-in .35s cubic-bezier(.22, .68, 0, 1.2) both;
}

@keyframes card-in {
    from { opacity: 0; transform: translateY(20px) scale(.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Header ───────────────────────────────────────────── */
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #1d4ed8, #3b82f6);
    border-radius: 14px;
    margin-bottom: .875rem;
    box-shadow: 0 8px 24px rgba(59, 130, 246, .35);
}

.login-logo svg {
    width: 28px;
    height: 28px;
    color: #fff;
}

.login-header h1 {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--text-primary);
    margin-bottom: .25rem;
}

.login-subtitle {
    font-size: .875rem;
    color: var(--text-muted);
}

/* ── Alert banner ─────────────────────────────────────── */
.alert {
    padding: .75rem 1rem;
    border-radius: var(--radius);
    font-size: .875rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.alert.hidden { display: none; }

.alert-error {
    background: var(--error-bg);
    border-color: var(--error);
    color: #fca5a5;
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success);
    color: #86efac;
}

.alert-warning {
    background: rgba(245, 158, 11, .10);
    border-color: var(--warning);
    color: #fcd34d;
}

/* ── Form groups ──────────────────────────────────────── */
.form-group {
    margin-bottom: 1.125rem;
}

.form-group label,
.captcha-group label {
    display: block;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--text-label);
    margin-bottom: .45rem;
    letter-spacing: .025em;
    text-transform: uppercase;
}

/* ── Inputs ───────────────────────────────────────────── */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: .875rem;
    width: 17px;
    height: 17px;
    color: var(--text-muted);
    pointer-events: none;
    flex-shrink: 0;
}

.input-wrapper input,
.captcha-group input {
    width: 100%;
    padding: .7rem .875rem .7rem 2.625rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: .9375rem;
    transition: border-color .18s, box-shadow .18s;
    outline: none;
    -webkit-appearance: none;
}

.captcha-group input {
    padding-left: .875rem;
}

.input-wrapper input:focus,
.captcha-group input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, .18);
}

.input-wrapper input::placeholder,
.captcha-group input::placeholder {
    color: var(--text-muted);
}

/* ── Password toggle ──────────────────────────────────── */
.toggle-password {
    position: absolute;
    right: .75rem;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: .25rem;
    color: var(--text-muted);
    transition: color .15s;
}

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

.toggle-password .eye-icon {
    width: 18px;
    height: 18px;
    transition: opacity .15s;
}

/* ── CAPTCHA group ────────────────────────────────────── */
.captcha-group {
    padding: .875rem 1rem;
    background: rgba(59, 130, 246, .05);
    border: 1px dashed #1e3a5f;
    border-radius: var(--radius);
}

/* ── Submit button ────────────────────────────────────── */
.btn-primary {
    width: 100%;
    padding: .8rem;
    margin-top: .5rem;
    background: linear-gradient(135deg, #1d4ed8, #3b82f6);
    color: #fff;
    font-size: .9375rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    transition: opacity .15s, transform .12s, box-shadow .15s;
    box-shadow: 0 4px 16px rgba(59, 130, 246, .35);
    letter-spacing: .01em;
}

.btn-primary:hover:not(:disabled) {
    opacity: .9;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, .45);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: .65;
    cursor: not-allowed;
}

.btn-text.hidden,
.btn-spinner.hidden { display: none; }

/* ── Spinner ──────────────────────────────────────────── */
.btn-spinner {
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255, 255, 255, .35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .65s linear infinite;
}

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

/* ── Footer link ──────────────────────────────────────── */
.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.login-footer a {
    font-size: .8125rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color .15s;
}

.login-footer a:hover { color: var(--accent); }

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 440px) {
    .login-card { padding: 1.75rem 1.25rem; }
}

/* ── CAPTCHA refresh button ───────────────────────────── */
.btn-captcha-refresh {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    margin-top: .6rem;
    padding: .35rem .8rem;
    background: transparent;
    border: 1px solid #1e3a5f;
    border-radius: 6px;
    color: var(--text-muted);
    font-size: .8rem;
    cursor: pointer;
    transition: color .15s, border-color .15s, transform .2s;
}

.btn-captcha-refresh:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.btn-captcha-refresh.spinning {
    transform: rotate(360deg);
    transition: transform .4s linear;
}

/* ── CAPTCHA refresh button ───────────────────────────── */
.btn-captcha-refresh {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    margin-top: .6rem;
    padding: .35rem .8rem;
    background: transparent;
    border: 1px solid #1e3a5f;
    border-radius: 6px;
    color: var(--text-muted);
    font-size: .8rem;
    cursor: pointer;
    transition: color .15s, border-color .15s, transform .2s;
}

.btn-captcha-refresh:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.btn-captcha-refresh.spinning {
    transform: rotate(360deg);
    transition: transform .4s linear;
}