/* ============================================================
   IXLARGE — Kurulum Sistemi Stili
   ============================================================ */

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

/* Variables */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-success: #16a34a;
    --color-error: #dc2626;
    --color-warning: #f59e0b;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-border: #e2e8f0;
    --color-step-active: #2563eb;
    --color-step-completed: #16a34a;
    --color-step-pending: #cbd5e1;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

/* Body */
.install-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #1e293b 100%);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Container */
.install-container {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 720px;
    overflow: hidden;
}

/* Header */
.install-header {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: #ffffff;
    padding: 32px 40px;
    text-align: center;
}

.install-logo h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.install-logo span {
    font-size: 13px;
    font-weight: 500;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.install-version {
    margin-top: 12px;
    font-size: 13px;
    opacity: 0.6;
}

/* Steps */
.install-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 40px;
    background: #f8fafc;
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
}

.install-step {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.install-step.pending .step-number {
    background: var(--color-step-pending);
    color: #ffffff;
}

.install-step.active .step-number {
    background: var(--color-step-active);
    color: #ffffff;
}

.install-step.completed .step-number {
    background: var(--color-step-completed);
    color: #ffffff;
}

.step-check {
    font-size: 16px;
}

.step-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.install-step.active .step-label {
    color: var(--color-primary);
}

.install-step.completed .step-label {
    color: var(--color-success);
}

.step-connector {
    width: 40px;
    height: 2px;
    background: var(--color-step-pending);
    margin: 0 8px;
}

.install-step.completed .step-connector {
    background: var(--color-step-completed);
}

/* Content */
.install-content {
    padding: 32px 40px;
}

.step-content h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.step-content > p {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

/* Alerts */
.install-alert {
    padding: 12px 20px;
    border-radius: var(--radius);
    margin: 0 40px 16px;
    font-size: 13px;
    font-weight: 500;
}

.install-alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.install-alert-error ul {
    list-style: none;
    padding: 0;
}

.install-alert-error li {
    padding: 2px 0;
}

.install-alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.install-alert-success ul {
    list-style: none;
    padding: 0;
}

/* Requirements Table */
.requirements-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-bottom: 20px;
}

.requirements-table th {
    background: #f8fafc;
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border);
}

.requirements-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border);
}

.req-row:hover {
    background: #f8fafc;
}

.req-passed td:first-child {
    color: var(--color-success);
}

.req-failed td:first-child {
    color: var(--color-error);
}

.req-warning td:first-child {
    color: var(--color-warning);
}

.status-icon {
    font-weight: 700;
    margin-right: 4px;
}

.status-ok {
    color: var(--color-success);
}

.status-error {
    color: var(--color-error);
}

.status-warning {
    color: var(--color-warning);
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: 6px;
}

.badge-optional {
    background: #fef3c7;
    color: #92400e;
}

/* Form */
.install-form {
    margin-top: 8px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--color-text);
    background: #ffffff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-hint {
    display: block;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-group-half {
    flex: 1;
}

/* Buttons */
.step-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: #f1f5f9;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: #e2e8f0;
}

/* Text helpers */
.text-error {
    color: var(--color-error);
    font-size: 13px;
    font-weight: 500;
}

/* Finish Step */
.step-finish {
    text-align: center;
}

.install-success {
    padding: 20px 0;
}

.success-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: #dcfce7;
    color: var(--color-success);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.success-details {
    display: flex;
    gap: 16px;
    margin: 24px 0;
    text-align: left;
}

.detail-card {
    flex: 1;
    background: #f8fafc;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
}

.detail-card h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.detail-card p {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}

.detail-info {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.security-reminder {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--radius);
    padding: 20px;
    text-align: left;
    margin-top: 20px;
}

.security-reminder h3 {
    font-size: 15px;
    font-weight: 700;
    color: #92400e;
    margin-bottom: 8px;
}

.security-reminder ul {
    list-style: disc;
    padding-left: 20px;
    font-size: 13px;
    color: #78350f;
}

.security-reminder li {
    margin-bottom: 4px;
}

.security-reminder code {
    background: #fef3c7;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 12px;
}

/* Footer */
.install-footer {
    padding: 16px 40px;
    background: #f8fafc;
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 600px) {
    .install-header {
        padding: 24px 20px;
    }

    .install-steps {
        padding: 16px 20px;
    }

    .step-label {
        display: none;
    }

    .install-content {
        padding: 24px 20px;
    }

    .install-footer {
        padding: 12px 20px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .success-details {
        flex-direction: column;
    }

    .step-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}