:root {
    --orange: #FF6B00;
    --orange-dark: #E55A00;
    --orange-light: #FFF1E6;
    --black: #0B0B0B;
    --gray-dark: #1A1A1A;
    --gray: #F8F9FA;
    --white: #FFFFFF;
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --transition: all 0.25s ease;
}

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

body {
    background: #F5F7FA;
    color: var(--black);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Современные карточки */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.card-header {
    background: var(--black);
    color: white;
    border-bottom: 3px solid var(--orange);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.75rem;
}

/* Кнопки */
.btn {
    border-radius: 30px;
    padding: 0.6rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
    border: none;
}

.btn-orange {
    background: var(--orange);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.2);
}

.btn-orange:hover, .btn-orange:focus {
    background: var(--orange-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 107, 0, 0.3);
}

.btn-outline-orange {
    background: transparent;
    color: var(--orange);
    border: 1.5px solid var(--orange);
}

.btn-outline-orange:hover {
    background: var(--orange);
    color: white;
}

/* Формы */
.form-control, .form-select {
    border-radius: var(--border-radius-sm);
    border: 1.5px solid #E5E7EB;
    padding: 0.7rem 1rem;
    background: var(--white);
    transition: var(--transition);
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.1);
    outline: none;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--gray-dark);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Навигация */
.navbar {
    padding: 1rem 0;
    background: var(--black) !important;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    letter-spacing: -0.5px;
    color: var(--orange) !important;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    padding: 0.5rem 1.2rem !important;
    border-radius: 30px;
    transition: var(--transition);
    margin: 0 0.1rem;
}

.navbar-nav .nav-link:hover {
    color: var(--orange) !important;
    background: rgba(255, 107, 0, 0.1);
}

/* Профиль - поля */
.profile-field {
    padding: 0.8rem 0;
    border-bottom: 1px solid #EEF2F6;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
}

.profile-field:last-child {
    border-bottom: none;
}

.field-label {
    font-weight: 600;
    color: var(--gray-dark);
    min-width: 150px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: #6B7280;
}

.field-value {
    font-weight: 500;
    color: var(--black);
    flex: 1;
}

/* Заголовки */
h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--black);
}

h1 {
    font-size: 2.2rem;
    border-left: 5px solid var(--orange);
    padding-left: 1.5rem;
    border-bottom: none;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.8rem;
    border-bottom: 3px solid var(--orange);
    padding-bottom: 0.75rem;
    display: inline-block;
}

.text-orange {
    color: var(--orange) !important;
}

/* Футер */
footer {
    background: var(--black);
    color: #888;
    padding: 2rem 0;
    margin-top: 4rem;
    font-size: 0.9rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.5rem;
    }
    h1 {
        font-size: 1.8rem;
        padding-left: 1rem;
    }
    .card-body {
        padding: 1.25rem;
    }
    .profile-field {
        flex-direction: column;
    }
    .field-label {
        min-width: auto;
        margin-bottom: 0.2rem;
    }
    .btn {
        padding: 0.5rem 1.2rem;
        font-size: 0.9rem;
    }
    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

/* Анимации */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.card, .alert {
    animation: fadeIn 0.4s ease;
}

/* Карточки товаров */
.product-card {
    height: 100%;
    transition: transform 0.2s;
}
.product-card:hover {
    transform: translateY(-5px);
}
.product-card .card-img-top {
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
}
.product-card .card-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.product-card .btn-orange {
    padding: 0.4rem 1rem;
    font-size: 0.9rem;
}