:root {
    --premium-navy: #193750;
    --premium-navy-light: #2a4b6a;
    --premium-crimson: #b5170c;
    --premium-bg: #f4f7fb;
    --premium-surface: #ffffff;
    --premium-input-bg: #f8fafc;
    --premium-border: #e2e8f0;
    --premium-text: #0f172a;
    --premium-text-muted: #64748b;
    --shadow-soft: 0 20px 50px -10px rgba(25, 55, 80, 0.1);
    --shadow-hover: 0 25px 50px -12px rgba(25, 55, 80, 0.2);
    --radius-lg: 24px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.registration-section {
    padding: 80px 15px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at top right, rgba(25, 55, 80, 0.05) 0%, transparent 40%), radial-gradient(circle at bottom left, rgba(181, 23, 12, 0.05) 0%, transparent 40%);
}

.registration-card {
    background: var(--premium-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

    .registration-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 6px;
        background: linear-gradient(90deg, var(--premium-navy) 0%, var(--premium-crimson) 100%);
    }

.registration-header {
    padding: 40px 50px 20px;
    text-align: center;
}

.header-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--premium-navy), var(--premium-navy-light));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.8rem;
    box-shadow: 0 10px 20px rgba(25, 55, 80, 0.2);
}

.registration-header h2 {
    color: var(--premium-navy);
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.registration-header p {
    color: var(--premium-text-muted);
    font-size: 0.95rem;
}

.registration-body {
    padding: 20px 50px 50px;
}

/* Form Grid */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 700;
    color: #475569;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Input Wrapper & Icons */
.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition);
}

.form-control, .form-select {
    width: 100%;
    background-color: var(--premium-input-bg);
    border: 1.5px solid var(--premium-border);
    border-radius: var(--radius-sm);
    padding: 14px 16px 14px 45px; /* Left padding for icon */
    font-size: 0.95rem;
    color: var(--premium-text);
    font-weight: 600;
    transition: var(--transition);
}

.form-select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

    .form-control:focus, .form-select:focus {
        background-color: #fff;
        border-color: var(--premium-navy);
        box-shadow: 0 0 0 4px rgba(25, 55, 80, 0.1);
        outline: none;
    }

.input-wrapper:focus-within .input-icon {
    color: var(--premium-crimson);
    transform: translateY(-50%) scale(1.1);
}

/* File Uploads */
.upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin: 25px 0;
}

.upload-box {
    background-color: var(--premium-input-bg);
    border: 2px dashed #cbd5e1;
    border-radius: var(--radius-md);
    padding: 25px 15px;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 140px;
}

    .upload-box:hover {
        border-color: var(--premium-crimson);
        background-color: #fff;
        transform: translateY(-3px);
        box-shadow: 0 10px 20px rgba(181, 23, 12, 0.1);
    }

    .upload-box i {
        font-size: 2rem;
        color: #94a3b8;
        margin-bottom: 10px;
        transition: var(--transition);
    }

    .upload-box:hover i {
        color: var(--premium-crimson);
        transform: scale(1.1);
    }

    .upload-box span {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--premium-text-muted);
        z-index: 2;
    }

.upload-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.file-success {
    color: #16a34a;
    font-weight: 700;
    display: block;
    margin-bottom: 5px;
}

.file-name {
    color: var(--premium-text-muted);
    font-size: 0.75rem;
    word-break: break-all;
}

.upload-box.has-file {
    border-color: #16a34a;
    background-color: #f0fdf4;
}

    .upload-box.has-file i {
        color: #16a34a;
    }

/* Terms Box */
.terms-container {
    margin-top: 30px;
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--premium-border);
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}

.terms-container-header {
    background: #f8fafc;
    padding: 15px 20px;
    border-bottom: 1px solid var(--premium-border);
    display: flex;
    align-items: center;
    gap: 10px;
}

    .terms-container-header i {
        color: var(--premium-navy);
        font-size: 1.1rem;
    }

    .terms-container-header span {
        font-weight: 700;
        color: var(--premium-text);
        text-transform: uppercase;
        font-size: 0.9rem;
        letter-spacing: 0.5px;
    }

.terms-box {
    padding: 20px;
    height: 220px; /* زودت الارتفاع عشان النص الكامل يقرأ بشكل مريح */
    overflow-y: auto;
    font-size: 0.85rem;
    color: var(--premium-text-muted);
    line-height: 1.8;
}

    .terms-box strong {
        color: var(--premium-text);
        font-size: 0.9rem;
        display: inline-block;
        margin-bottom: 3px;
    }

    .terms-box em {
        color: #475569;
        font-style: italic;
    }

.terms-divider {
    border: 0;
    border-top: 1px solid var(--premium-border);
    margin: 20px 0;
}

.terms-box::-webkit-scrollbar {
    width: 6px;
}

.terms-box::-webkit-scrollbar-track {
    background: transparent;
}

.terms-box::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}

    .terms-box::-webkit-scrollbar-thumb:hover {
        background: #94a3b8;
    }

/* Checkbox */
.checkbox-container {
    padding: 15px 20px;
    background: #f8fafc;
    border-top: 1px solid var(--premium-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

    .checkbox-container input[type="checkbox"] {
        appearance: none;
        width: 22px;
        height: 22px;
        border: 2px solid #cbd5e1;
        border-radius: 6px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        flex-shrink: 0;
    }

        .checkbox-container input[type="checkbox"]:checked {
            background-color: var(--premium-navy);
            border-color: var(--premium-navy);
        }

            .checkbox-container input[type="checkbox"]:checked::after {
                content: '\f00c';
                font-family: "Font Awesome 6 Free";
                font-weight: 900;
                color: white;
                font-size: 12px;
            }

    .checkbox-container label {
        font-weight: 600;
        color: var(--premium-text);
        cursor: pointer;
        font-size: 0.9rem;
        user-select: none;
    }

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: none;
    transition: var(--transition);
    margin-top: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

    .btn-submit:disabled {
        background-color: #e2e8f0;
        color: #94a3b8;
        cursor: not-allowed;
    }

    .btn-submit:not(:disabled) {
        background: linear-gradient(135deg, var(--premium-navy) 0%, var(--premium-navy-light) 100%);
        color: #fff;
        box-shadow: 0 10px 25px rgba(25, 55, 80, 0.3);
        cursor: pointer;
    }

        .btn-submit:not(:disabled):hover {
            background: linear-gradient(135deg, var(--premium-crimson) 0%, #d62a1d 100%);
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(181, 23, 12, 0.3);
        }

        /* Shine Effect on Hover */
        .btn-submit:not(:disabled)::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.6s ease;
        }

        .btn-submit:not(:disabled):hover::before {
            left: 100%;
        }

/* Validations */
.text-danger {
    color: var(--premium-crimson) !important;
    font-weight: 600;
    font-size: 0.8rem;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

    .text-danger::before {
        content: '\f06a';
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
    }

.alert-success-custom {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #15803d;
    padding: 15px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .registration-header {
        padding: 30px 25px 15px;
    }

    .registration-body {
        padding: 15px 25px 30px;
    }
}