/* ==========================================================================
   Premium Forms CSS
   Aesthetic: Dark, modern, bold, with sharp accents
   ========================================================================== */

/* 
 * Form Wrapper
 * Uses a dark linear gradient and a subtle radial glow to create depth.
 */
.form-wrapper {
    background: linear-gradient(145deg, var(--secondary), var(--dark));
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 3.5rem 3rem;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.8);
    position: relative;
    overflow: hidden;
    max-width: 480px;
    margin: 3rem auto;
    backdrop-filter: blur(10px);
}

/* Atmospheric glow effect */
.form-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at top right, rgba(217, 4, 41, 0.15) 0%, transparent 60%);
    z-index: 0;
    pointer-events: none;
}

/* 
 * Form Header
 */
.form-header {
    position: relative;
    z-index: 1;
    margin-bottom: 2.5rem;
    text-align: center;
}

.form-header h2 {
    color: #ffffff;
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.form-header p {
    color: var(--light);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

/* 
 * Form Controls
 */
.form-group {
    position: relative;
    margin-bottom: 1.8rem;
    z-index: 1;
}

.form-control-custom, 
.form-control,
input:not([type="submit"]):not([type="checkbox"]):not([type="radio"]):not([type="file"]),
textarea,
select {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(139, 146, 178, 0.15);
    color: #ffffff;
    padding: 1.2rem 1.25rem;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.form-control-custom:focus,
.form-control:focus,
input:not([type="submit"]):not([type="checkbox"]):not([type="radio"]):not([type="file"]):focus,
textarea:focus,
select:focus {
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.6);
    box-shadow: 0 0 0 4px rgba(217, 4, 41, 0.15);
    transform: translateY(-2px);
}

.form-control-custom::placeholder,
.form-control::placeholder,
input::placeholder,
textarea::placeholder {
    color: rgba(139, 146, 178, 0.4);
}

.form-label-custom,
.form-label,
label {
    display: block;
    color: var(--light);
    margin-bottom: 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: color 0.3s ease;
}

/* Support for changing label color when input is focused */
label:has(+ .form-control-custom:focus),
label:has(+ .form-control:focus),
label:has(+ input:focus),
label:has(+ textarea:focus),
label:has(+ select:focus),
.form-label:has(+ .form-control:focus),
.form-label-custom:has(+ .form-control-custom:focus),
.form-control-custom:focus + .form-label-custom,
.form-control-custom:not(:placeholder-shown) + .form-label-custom {
    color: var(--primary);
}

/* 
 * Submit Button
 */
.btn-submit-custom,
form button[type="submit"] {
    width: 100%;
    background: var(--primary);
    color: #ffffff;
    border: none;
    padding: 1.2rem;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    margin-top: 1.5rem;
    font-family: 'Oswald', sans-serif;
}

.btn-submit-custom::before,
form button[type="submit"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    z-index: -1;
}

.btn-submit-custom:hover,
form button[type="submit"]:hover {
    background: #F10C35; /* Brighter accent on hover */
    box-shadow: 0 15px 25px -10px rgba(217, 4, 41, 0.6);
    transform: translateY(-3px);
}

.btn-submit-custom:hover::before,
form button[type="submit"]:hover::before {
    transform: translateX(100%);
}

.btn-submit-custom:active,
form button[type="submit"]:active {
    transform: translateY(0);
    box-shadow: 0 5px 10px -5px rgba(217, 4, 41, 0.6);
}

/* 
 * Google Auth Button
 */
.btn-google { 
    background: rgba(255, 255, 255, 0.05); 
    color: #ffffff; 
    border: 1px solid rgba(255, 255, 255, 0.15); 
    padding: 1.2rem; 
    border-radius: 10px; 
    width: 100%; 
    font-weight: 600; 
    font-size: 1.05rem;
    margin-bottom: 1.5rem; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 12px;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
}
.btn-google:hover { 
    background: rgba(255, 255, 255, 1); 
    color: #000000;
    border-color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(255, 255, 255, 0.2);
}

/* 
 * Form Footer Links
 */
.form-footer {
    position: relative;
    z-index: 1;
    margin-top: 2rem;
    text-align: center;
    font-size: 0.95rem;
    color: var(--light);
}

.form-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.form-footer a::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--primary);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

.form-footer a:hover {
    color: #ffffff;
}

.form-footer a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* 
 * Micro-animations for staggered entry
 */
@keyframes slideUpFade {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-animated-element {
    animation: slideUpFade 0.7s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
    opacity: 0;
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }