:root {
    --primary: #960000; /* Signature Imza Pack Red */
    --nav-bg: #1a1a1a; /* Dark charcoal instead of Navy blue */
    --sidebar-bg: #f8f9fa;
    --text-main: #333;
    --text-light: #666;
    --border-color: #e0e0e0;
    --card-hover: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: #fff;
    color: var(--text-main);
}

/* Navbar */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    flex: 1;
}

.logo img {
    height: 40px;
}

.nav-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-center span {
    font-size: 22px;
    font-weight: 700;
    color: var(--nav-bg);
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 20px;
    flex: 1;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    font-size: 14px;
}

.nav-links .btn-admin {
    border: 1px solid var(--nav-bg);
    padding: 8px 16px;
    border-radius: 4px;
    color: var(--nav-bg);
    transition: 0.2s;
}

.nav-links .btn-admin:hover {
    background-color: var(--nav-bg);
    color: #fff;
}

/* Layout */
.container {
    display: flex;
    min-height: calc(100vh - 71px);
}

.sidebar {
    width: 350px;
    background-color: var(--sidebar-bg);
    padding: 30px;
    border-right: 1px solid var(--border-color);
}

.sidebar h2 {
    font-size: 18px;
    color: var(--nav-bg);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.param-group {
    margin-bottom: 20px;
}

.param-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-main);
}

.param-row {
    display: flex;
    gap: 15px;
}

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

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.option-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px 10px;
    text-align: center;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.option-card .opt-img {
    height: 50px;
    object-fit: contain;
    margin-bottom: 5px;
}

.option-card span {
    font-size: 12px;
    font-weight: 500;
}

.option-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.option-card.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.input-field {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    transition: 0.2s;
}

.input-field:focus {
    border-color: var(--nav-bg);
}

.btn-primary {
    width: 100%;
    background-color: var(--primary);
    color: #fff;
    border: none;
    padding: 15px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: 0.2s;
}

.btn-primary:hover {
    background-color: #750000;
}

/* Content Area */
.content {
    flex: 1;
    padding: 50px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    background-color: #fff;
}

.scope-card {
    width: 100%;
    max-width: 800px;
}

.empty-state {
    text-align: center;
    padding: 60px 40px;
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    background-color: #fafafa;
}

.empty-state .icon-large {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 22px;
    color: var(--nav-bg);
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-light);
    font-size: 15px;
}

.hidden {
    display: none !important;
}

/* Determined State */
.determined-state h3 {
    font-size: 20px;
    color: var(--nav-bg);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.summary-box {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.box-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.box-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--nav-bg);
}

.quote-form-section {
    background-color: var(--nav-bg);
    border-radius: 8px;
    padding: 30px;
    color: #fff;
}

.quote-form-section h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.quote-form-section p {
    font-size: 13px;
    opacity: 0.8;
    margin-bottom: 25px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    color: #fff;
    outline: none;
    transition: 0.2s;
}

.form-input::placeholder {
    color: rgba(255,255,255,0.5);
}

.form-input:focus {
    border-color: rgba(255,255,255,0.5);
    background-color: rgba(255,255,255,0.1);
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background-color: #fff;
    color: var(--primary);
    border: none;
    border-radius: 4px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: 0.2s;
}

.btn-submit:hover {
    background-color: #f0f0f0;
}

/* ============================================== */
/* MOBILE RESPONSIVENESS                          */
/* ============================================== */
@media (max-width: 900px) {
    .container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 2px solid var(--border-color);
        padding: 20px 15px;
    }
    .top-nav {
        flex-direction: column;
        padding: 15px;
        gap: 15px;
    }
    .nav-links {
        justify-content: center;
    }
    .main-content {
        padding: 15px;
    }
    .options-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    .param-row {
        flex-direction: column;
        gap: 10px;
    }
}