/* Kasuwa Installer — Premium Dark Theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg: #0a0a0f;
    --surface: #12121a;
    --surface2: #1a1a26;
    --border: #2a2a3a;
    --text: #e4e4ef;
    --text-dim: #8888a0;
    --primary: #6c5ce7;
    --primary-glow: rgba(108, 92, 231, 0.3);
    --success: #00b894;
    --success-glow: rgba(0, 184, 148, 0.2);
    --danger: #ff6b6b;
    --danger-glow: rgba(255, 107, 107, 0.2);
    --warning: #ffc048;
    --radius: 16px;
    --radius-sm: 10px;
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.6;
}

/* Animated background grid */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(108, 92, 231, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(0, 184, 148, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.installer-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 720px;
    padding: 24px 20px 60px;
}

/* Header / Logo */
.installer-header {
    text-align: center;
    padding: 40px 0 30px;
}

.installer-header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #6c5ce7, #a29bfe, #00b894);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.installer-header p {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-top: 6px;
}

/* Progress Stepper */
.stepper {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 36px;
    position: relative;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--text-dim);
    position: relative;
    padding: 0 14px;
}

.step-item .num {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
    background: var(--surface2);
    border: 2px solid var(--border);
    transition: all .3s ease;
    flex-shrink: 0;
}

.step-item.active .num {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 20px var(--primary-glow);
}

.step-item.done .num {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}

.step-item.active .label {
    color: var(--text);
    font-weight: 500;
}

.step-item.done .label {
    color: var(--success);
}

.step-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -2px;
    top: 50%;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--border);
}

/* Card */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 20px;
    backdrop-filter: blur(8px);
}

.card h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.card .subtitle {
    color: var(--text-dim);
    font-size: 0.88rem;
    margin-bottom: 24px;
}

/* Requirements Table */
.req-table {
    width: 100%;
    border-collapse: collapse;
}

.req-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}

.req-table td {
    padding: 11px 12px;
    font-size: 0.88rem;
    border-bottom: 1px solid rgba(42, 42, 58, 0.5);
}

.req-table tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
}

.badge.pass {
    background: var(--success-glow);
    color: var(--success);
}

.badge.fail {
    background: var(--danger-glow);
    color: var(--danger);
}

.badge.warn {
    background: rgba(255, 192, 72, 0.15);
    color: var(--warning);
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group small {
    display: block;
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
select,
textarea {
    width: 100%;
    padding: 11px 14px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

select {
    cursor: pointer;
}

select option {
    background: var(--surface);
    color: var(--text);
}

/* Checkboxes */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color .2s;
    margin-bottom: 10px;
}

.checkbox-group:hover {
    border-color: var(--primary);
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox-group .chk-label {
    font-size: 0.88rem;
    font-weight: 500;
}

.checkbox-group .chk-desc {
    font-size: 0.78rem;
    color: var(--text-dim);
}

/* Country Grid */
.country-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.country-option {
    position: relative;
}

.country-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.country-option label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--surface2);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all .2s;
    font-size: 0.88rem;
}

.country-option label:hover {
    border-color: var(--primary);
}

.country-option input:checked+label {
    border-color: var(--primary);
    background: rgba(108, 92, 231, 0.1);
    box-shadow: 0 0 20px var(--primary-glow);
}

.country-option .flag {
    font-size: 1.5rem;
}

.country-option .cname {
    font-weight: 500;
}

.country-option .ccur {
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* Buttons */
.btn-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 28px;
}

.btn {
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);
    color: #fff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 30px var(--primary-glow);
}

.btn-secondary {
    background: var(--surface2);
    color: var(--text-dim);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    color: var(--text);
    border-color: var(--text-dim);
}

.btn-success {
    background: linear-gradient(135deg, #00b894, #55efc4);
    color: #0a0a0f;
    box-shadow: 0 4px 20px var(--success-glow);
}

.btn-success:hover {
    transform: translateY(-1px);
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1rem;
    border-radius: var(--radius);
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.alert-danger {
    background: var(--danger-glow);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: #ff8787;
}

.alert-success {
    background: var(--success-glow);
    border: 1px solid rgba(0, 184, 148, 0.3);
    color: #55efc4;
}

.alert-info {
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.3);
    color: #a29bfe;
}

/* Log output */
.install-log {
    background: #0d0d14;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.78rem;
    color: var(--success);
    max-height: 240px;
    overflow-y: auto;
    line-height: 1.8;
    margin-bottom: 20px;
}

.install-log .err {
    color: var(--danger);
}

.install-log .warn {
    color: var(--warning);
}

/* Success page */
.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--success-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2.5rem;
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 20px var(--success-glow);
    }

    50% {
        box-shadow: 0 0 40px var(--success-glow), 0 0 60px rgba(0, 184, 148, 0.1);
    }
}

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

.success-text h2 {
    color: var(--success);
    margin-bottom: 8px;
}

.success-text p {
    color: var(--text-dim);
    margin-bottom: 24px;
}

.success-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Password strength */
.pw-meter {
    height: 4px;
    border-radius: 2px;
    background: var(--border);
    margin-top: 6px;
    overflow: hidden;
}

.pw-meter .pw-fill {
    height: 100%;
    border-radius: 2px;
    transition: width .3s, background .3s;
    width: 0%;
}

/* Responsive */
@media (max-width: 640px) {
    .installer-wrap {
        padding: 16px 14px 40px;
    }

    .card {
        padding: 22px 18px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .stepper {
        flex-wrap: wrap;
        gap: 6px;
    }

    .step-item {
        padding: 0 8px;
        font-size: 0.72rem;
    }

    .step-item .label {
        display: none;
    }

    .country-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .btn-row {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}