:root {
    --bg-color: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #e0f2fe 0%, #f8fafc 50%, #dbeafe 100%);
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(37, 99, 235, 0.12);
    --card-border-solid: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --success: #059669;
    --glass-blur: blur(12px);
    --card-shadow: 0 12px 30px -10px rgba(15, 23, 42, 0.08), 0 1px 3px rgba(15, 23, 42, 0.03);
    --card-shadow-hover: 0 20px 40px -10px rgba(37, 99, 235, 0.2);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Background Animations */
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: float 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.28) 0%, transparent 70%);
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(219, 39, 119, 0.22) 0%, transparent 70%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10%, 20%) scale(1.1); }
}

/* Layout container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

header {
    text-align: center;
    margin-bottom: 4rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #1e3a8a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

header p {
    font-size: 1.35rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.2px;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    grid-auto-rows: 1fr;
    gap: 2rem;
}

/* Glassmorphism Cards */
.card {
    background: var(--card-bg);
    border: 1.5px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(236,72,153,0.15) 0%, rgba(99,102,241,0.12) 25%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: var(--card-shadow-hover);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 100px;
    height: 100px;
    background: transparent;
    border-radius: 20px;
    border: 1.5px solid var(--card-border-solid);
    padding: 12px;
    margin-bottom: 1.5rem;
    box-shadow: none;
    transition: transform 0.3s ease, border-color 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    mix-blend-mode: multiply;
    border-radius: 10px;
}

.card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    border-color: var(--accent);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card-status {
    font-size: 0.875rem;
    color: #374151;
    background: #e5e7eb;
    border: 1px solid #d1d5db;
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 500;
}

.card-status.active {
    color: #065f46;
    background: #d1fae5;
    border-color: #a7f3d0;
}

/* Card Code Copy Button */
.card-code-btn {
    margin-top: 1.25rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(79, 70, 229, 0.06);
    border: 1.5px dashed var(--accent);
    border-radius: 12px;
    color: var(--accent);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.2s ease;
    font-family: inherit;
    position: relative;
    z-index: 5;
}

.card-code-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.code-value {
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.code-promo {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.card-bottom-wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin-top: auto;
}

.card-codes-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.card-codes-container .card-code-btn {
    margin-top: 0;
}

.card-view-links-btn {
    margin-top: 1.25rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.card-view-links-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.25);
}

.card-view-links-btn:active {
    transform: translateY(0);
}

/* Buttons */
.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: none;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent) 100%);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.25);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent);
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.15);
    transform: translateY(-1px);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: #ffffff;
    border: 1px solid var(--card-border-solid);
    border-radius: 24px;
    padding: 3rem;
    width: 90%;
    max-width: 500px;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.08);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.modal-header img {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 16px;
    padding: 10px;
}

.input-group {
    margin-bottom: 2rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

.input-group input,
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: #f8fafc;
    border: 1px solid var(--card-border-solid);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background: #ffffff;
}

.input-with-actions {
    display: flex;
    gap: 0.75rem;
    align-items: stretch;
}

.input-with-actions input {
    flex: 1;
}

.icon-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    border-radius: 12px;
    border: 1px solid var(--card-border-solid);
    background: #f8fafc;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.icon-btn:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.icon-btn:active {
    transform: translateY(0);
}

.modal-actions {
    display: flex;
    gap: 1rem;
}

.feedback-msg {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
    min-height: 1.2rem;
    color: var(--success);
    font-weight: 600;
}

/* Form Section */
.form-section {
    margin-top: 5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--card-shadow);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.form-section h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-align: center;
    color: var(--text-primary);
}

.form-section > p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.submission-form {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.25rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
    cursor: pointer;
}

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

.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 1rem;
}

.form-actions .btn {
    flex: none;
    padding: 1rem 2.5rem;
}

/* Submissions History */
.submissions-history {
    max-width: 700px;
    margin: 3rem auto 0 auto;
    border-top: 1px solid var(--card-border-solid);
    padding-top: 2rem;
}

.submissions-history h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.clear-history-btn {
    background: transparent;
    border: none;
    color: #ef4444;
    font-size: 0.85rem;
    cursor: pointer;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: background 0.2s;
}

.clear-history-btn:hover {
    background: rgba(239, 68, 68, 0.08);
}

.submission-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.submission-item {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--card-border-solid);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.submission-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.submission-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
}

.submission-badge.app-request {
    color: #4f46e5;
    background: #e0e7ff;
}

.submission-badge.query {
    color: #db2777;
    background: #fce7f3;
}

.submission-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.submission-body {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.submission-body strong {
    font-weight: 600;
}

.submission-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-top: 1px dashed var(--card-border-solid);
    padding-top: 0.5rem;
    margin-top: 0.25rem;
}

.form-feedback {
    display: none;
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: fadeIn 0.3s ease;
}

.form-feedback.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.form-feedback.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-section {
        padding: 2rem;
        margin-top: 3rem;
    }
}