/* 
    Premium Form Design System
    Created for The Hellios - High-End, Modern, Responsive
*/

:root {
    --premium-form-bg: rgba(20, 20, 20, 0.7);
    --premium-form-blur: 20px;
    --premium-form-border: rgba(255, 255, 255, 0.1);
    --premium-input-bg: rgba(255, 255, 255, 0.03);
    --premium-input-focus-bg: rgba(255, 255, 255, 0.05);
}

/* ===================== Premium Card ===================== */
.premium-form-card {
    background: var(--premium-form-bg);
    backdrop-filter: blur(var(--premium-form-blur));
    -webkit-backdrop-filter: blur(var(--premium-form-blur));
    border: 1px solid var(--premium-form-border);
    border-radius: 32px;
    padding: 50px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
    transition: all 0.4s ease;
    position: relative;
}

/* ===================== Form Groups & Labels ===================== */
.premium-form-group {
    margin-bottom: 25px;
    position: relative;
}

.premium-form-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 10px;
    display: block;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
}

/* ===================== Premium Inputs ===================== */
.premium-form-control {
    width: 100%;
    background: var(--premium-input-bg) !important;
    border: 1px solid var(--premium-form-border) !important;
    border-radius: 16px !important;
    padding: 16px 20px !important;
    color: #fff !important;
    font-size: 15px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    outline: none !important;
}

.premium-form-control:focus {
    background: var(--premium-input-focus-bg) !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 25px rgba(var(--primary-rgb), 0.2) !important;
    transform: translateY(-2px);
}

.premium-form-control::placeholder {
    color: rgba(255, 255, 255, 0.25) !important;
}

textarea.premium-form-control {
    min-height: 120px;
    resize: vertical;
}

/* ===================== Premium Buttons ===================== */
.premium-btn-master {
    width: 100%;
    position: relative;
    padding: 3px !important;
    background: linear-gradient(to right, var(--btn-gradient-1), var(--btn-gradient-2));
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    display: inline-block;
}

.premium-btn-inner {
    background: transparent;
    color: #fff;
    padding: 16px 25px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 14px;
    width: 100%;
    height: 100%;
    gap: 10px;
}

.premium-btn-master:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.premium-btn-master:active {
    transform: translateY(-2px);
}

/* ===================== Auth Background ===================== */
.auth-bg-premium {
    background: radial-gradient(circle at center, #1a1a1a, #050505);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 80px 0;
}

.auth-bg-premium::before {
    content: "";
    position: absolute;
    top: -20%;
    left: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(var(--primary-rgb), 0.08) 0%, transparent 70%);
    z-index: 1;
}

.auth-bg-premium::after {
    content: "";
    position: absolute;
    bottom: -20%;
    right: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(var(--primary-rgb), 0.08) 0%, transparent 70%);
    z-index: 1;
}

/* ===================== Alerts ===================== */
.premium-alert {
    border: none;
    border-radius: 16px;
    padding: 16px 20px;
    font-weight: 600;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.premium-alert-danger {
    background: rgba(255, 71, 87, 0.1);
    color: #ff4757;
}

.premium-alert-success {
    background: rgba(46, 213, 115, 0.1);
    color: #2ed573;
}

/* ===================== Custom Checkboxes & Radios ===================== */
.premium-check-group {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.premium-check-input {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--premium-form-border);
    border-radius: 6px;
    background: var(--premium-input-bg);
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
    flex-shrink: 0;
}

.premium-check-input[type="radio"] {
    border-radius: 50%;
}

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

.premium-check-input:checked::after {
    content: "\f00c";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    font-size: 11px;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.premium-check-input[type="radio"]:checked::after {
    content: "";
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: unset;
}

/* ===================== Premium Back Button ===================== */
.premium-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 1px;
    padding: 10px 18px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    margin-bottom: 30px;
}

.premium-back-btn i {
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-size: 13px;
}

.premium-back-btn:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    transform: translateX(-4px);
}

.premium-back-btn:hover i {
    transform: translateX(-4px) scale(1.2);
    color: var(--primary-color) !important;
}

/* ===================== Responsive Grid ===================== */
@media (min-width: 992px) {
    .premium-grid-2 {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
}

/* ===================== Responsive Card ===================== */
@media (max-width: 768px) {
    .premium-form-card {
        padding: 30px 20px;
        border-radius: 24px;
    }
}