/* =========================================================
   SaaS Immobilien Theme

   ========================================================= */

/* =========================
   1. Root Variables
   ========================= */

:root {
    /* Brand */
    --color-primary: #2563EB;
    --color-primary-hover: #1D4ED8;
    --color-primary-light: #DBEAFE;
    /* Backgrounds */
    --color-bg: #F8FAFC;
    --color-surface: #FFFFFF;
    /* Borders */
    --color-border: #E2E8F0;
    /* Text */
    --color-text: #0F172A;
    --color-text-muted: #64748B;
    /* Status */
    --color-success: #16A34A;
    --color-warning: #F59E0B;
    --color-danger: #DC2626;
}

/* =========================
   2. Base Layout
   ========================= */

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

h1 {
    font-size: 24px;
}

h2 {
    font-size: 20px;
}

h3 {
    font-size: 18px;
}

h4, h5 {
    font-size: 16px;
}

small, .text-muted {
    color: var(--color-text-muted) !important;
}

/* =========================
   3. Cards
   ========================= */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
    padding: 24px;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    padding-bottom: 16px;
    margin-bottom: 16px;
}

/* =========================
   4. Buttons
   ========================= */

.btn {
    border-radius: 12px;
    font-weight: 500;
    padding: 8px 16px;
    transition: all 0.15s ease-in-out;
}

.btn-primary {
    background-color: var(--color-primary);
    border: none;
}

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

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

.btn-outline-secondary {
    border-radius: 12px;
}

/* =========================
   5. Forms
   ========================= */

.form-control,
.form-select {
    border-radius: 10px;
    border: 1px solid var(--color-border);
    padding: 10px 12px;
    font-size: 14px;
}

    .form-control:focus,
    .form-select:focus {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }

label {
    font-weight: 500;
    margin-bottom: 6px;
}

/* =========================
   6. Tables
   ========================= */

.table {
    background: var(--color-surface);
    border-radius: 12px;
    overflow: hidden;
}

    .table th {
        font-weight: 600;
        font-size: 14px;
        color: var(--color-text-muted);
        border-bottom: 1px solid var(--color-border);
    }

    .table td {
        vertical-align: middle;
    }

/* =========================
   7. Badges
   ========================= */

.badge {
    border-radius: 8px;
    font-weight: 500;
    padding: 6px 10px;
}

.badge-success {
    background: rgba(22, 163, 74, 0.1);
    color: var(--color-success);
}

.badge-danger {
    background: rgba(220, 38, 38, 0.1);
    color: var(--color-danger);
}

/* =========================
   8. Navigation (optional)
   ========================= */

.navbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.nav-link {
    font-weight: 500;
    color: var(--color-text-muted);
}

    .nav-link.active {
        color: var(--color-primary);
    }

/* =========================
   9. Utility Improvements
   ========================= */

.border-start {
    border-left: 4px solid var(--color-primary) !important;
}

.bg-light {
    background-color: #F1F5F9 !important;
}

.shadow-sm {
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04) !important;
}

/* =========================
   10. Smooth Transitions
   ========================= */

.card,
.btn,
.form-control {
    transition: all 0.15s ease-in-out;
}

/* ========================================
   App Layout
   ======================================== */

.app-layout {
    display: flex;
    min-height: 100vh;
    background: var(--color-bg);
}

/* ========================================
   Sidebar
   ======================================== */

.app-sidebar {
    width: 260px;
    background: #FFFFFF;
    border-right: 1px solid var(--color-border);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    margin-bottom: 32px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo {
    font-size: 20px;
}

.brand-logo img {
    width: 32px;
    height: 32px;
    margin-right: 0em;
}

.brand-name {
    font-weight: 600;
    font-size: 18px;
    color: var(--color-text);
}

/* ========================================
   Nav Links
   ======================================== */

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: all 0.15s ease;
}

    .nav-link:hover {
        background: var(--color-primary-light);
        color: var(--color-primary);
    }

    .nav-link.active {
        background: var(--color-primary-light);
        color: var(--color-primary);
        font-weight: 600;
    }

    /* Optional: Icons etwas kleiner */
    .nav-link i {
        font-size: 16px;
    }

/* ========================================
   Main Area
   ======================================== */

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ========================================
   Topbar
   ======================================== */

.app-topbar {
    height: 64px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 32px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ========================================
   Content
   ======================================== */

.app-content {
    padding: 32px;
}

/* Sidebar Navigation */

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

    .sidebar-nav .nav-link {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 10px 14px;
        border-radius: 10px;
        font-weight: 500;
        color: var(--color-text-muted);
        text-decoration: none;
        transition: all 0.15s ease;
    }

        .sidebar-nav .nav-link:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .sidebar-nav .nav-link.active {
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 600;
        }

    /* Icons */
    .sidebar-nav i {
        font-size: 16px;
    }

/* Divider */
.sidebar-divider {
    height: 1px;
    background: var(--color-border);
    margin: 16px 0;
}

/* Section Label */
.sidebar-section-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 6px;
    padding-left: 6px;
}

/* ======================================================
   Modern Form Styling
   ====================================================== */

/* ---------- Sections ---------- */

.form-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
}

.form-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.form-section-title {
    font-size: 16px;
    font-weight: 600;
}

.form-section-body {
    margin-top: 8px;
}

.form-section-toggle {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 18px;
}

/* ---------- Fields ---------- */

.form-field {
    margin-bottom: 20px;
}

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

/* ---------- Inputs ---------- */

.form-control,
.form-select,
textarea.form-control {
    border-radius: 12px;
    border: 1px solid var(--color-border);
    padding: 10px 14px;
    font-size: 14px;
    background: #ffffff;
    transition: all 0.15s ease;
}

    .form-control:focus,
    .form-select:focus,
    textarea.form-control:focus {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    }

/* ---------- Input Group ---------- */

.form-input-group {
    display: flex;
}

    .form-input-group .form-control {
        border-top-right-radius: 0;
        border-bottom-right-radius: 0;
    }

.form-input-addon {
    background: #F1F5F9;
    border: 1px solid var(--color-border);
    border-left: none;
    padding: 10px 14px;
    border-top-right-radius: 12px;
    border-bottom-right-radius: 12px;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* ---------- Checkbox ---------- */

.form-check-input {
    border-radius: 6px;
    border: 1px solid var(--color-border);
}

    .form-check-input:checked {
        background-color: var(--color-primary);
        border-color: var(--color-primary);
    }

/* ---------- Validation ---------- */

.validation-message,
.validation-message span {
    font-size: 12px;
    color: var(--color-danger);
    margin-top: 4px;
    display: block;
}

/* ---------- Lists inside forms ---------- */

.list-group {
    border-radius: 12px;
    overflow: hidden;
}

.list-group-item {
    border: 1px solid var(--color-border);
    padding: 10px 14px;
    font-size: 14px;
}

/* ---------- Wizard Buttons ---------- */

.form-navigation {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

/* =========================================
   File Upload Styling
   ========================================= */

input[type="file"].form-control {
    padding: 0;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
}

    /* Styling des nativen Buttons */
    input[type="file"].form-control::file-selector-button {
        border: none;
        border-right: 1px solid var(--color-border);
        padding: 15px 20px;
        background: var(--color-primary-light);
        color: var(--color-primary);
        font-weight: 500;
        cursor: pointer;
        transition: 0.15s ease;
    }

        /* Hover */
        input[type="file"].form-control::file-selector-button:hover {
            background: rgba(37, 99, 235, 0.2);
        }

    /* Focus-State */
    input[type="file"].form-control:focus {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    }

    /* Entfernt unschöne Browser-Outline */
    input[type="file"].form-control::file-selector-button:focus {
        outline: none;
    }