/* Modern Theme - Swim Portal
   Layered on top of Bootstrap for modernized look & feel */

:root {
    --pool-blue: #0891b2;
    --deep-water: #0e7490;
    --wave-light: #06b6d4;
    --splash: #22d3ee;
    --pool-tile: #f0f9ff;
    --slate: #334155;
    --cloud: #f8fafc;
    --white: #ffffff;
}

/* Body override */
body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif !important;
    background: linear-gradient(135deg, var(--pool-tile) 0%, #e0f2fe 100%) !important;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Animated wave background */
body::before {
    content: '';
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(to top, var(--pool-blue), transparent);
    opacity: 0.1;
    z-index: 0;
    animation: wave-flow 20s ease-in-out infinite;
}

@keyframes wave-flow {
    0%, 100% { transform: translateX(0) scaleY(1); }
    50% { transform: translateX(-20px) scaleY(1.1); }
}

/* Floating bubbles decoration */
.bubble {
    position: fixed;
    bottom: -100px;
    background: radial-gradient(circle at 30% 30%, rgba(34, 211, 238, 0.3), rgba(8, 145, 178, 0.1));
    border-radius: 50%;
    opacity: 0.4;
    animation: float-up 15s ease-in infinite;
    z-index: 0;
    pointer-events: none;
}

.bubble:nth-child(1) { left: 10%; width: 60px; height: 60px; animation-delay: 0s; animation-duration: 12s; }
.bubble:nth-child(2) { left: 30%; width: 40px; height: 40px; animation-delay: 2s; animation-duration: 14s; }
.bubble:nth-child(3) { left: 60%; width: 80px; height: 80px; animation-delay: 4s; animation-duration: 16s; }
.bubble:nth-child(4) { left: 80%; width: 50px; height: 50px; animation-delay: 6s; animation-duration: 13s; }

@keyframes float-up {
    0% { bottom: -100px; opacity: 0; }
    10% { opacity: 0.4; }
    90% { opacity: 0.2; }
    100% { bottom: 110vh; opacity: 0; }
}

/* Container */
.container {
    position: relative;
    z-index: 1;
}

/* Modern header */
.modern-header {
    text-align: center;
    margin-bottom: 30px;
    padding-top: 20px;
    animation: slide-down 0.6s ease-out;
}

@keyframes slide-down {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

.brand {
    font-family: 'Fraunces', Georgia, serif;
    font-size: clamp(1.5rem, 5vw, 2.2rem);
    font-weight: 700;
    color: var(--deep-water);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.brand-accent {
    background: linear-gradient(135deg, var(--pool-blue), var(--wave-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    color: var(--slate);
    font-weight: 500;
    opacity: 0.8;
    margin: 0;
}

/* Modern card (content area) */
.modern-card {
    background: var(--white);
    border-radius: 24px;
    padding: clamp(20px, 4vw, 35px);
    box-shadow:
        0 20px 60px rgba(8, 145, 178, 0.08),
        0 8px 16px rgba(8, 145, 178, 0.04);
    animation: fade-scale-in 0.6s ease-out 0.2s both;
    position: relative;
    overflow: hidden;
    border: none;
    margin: 0 0 10px 0;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--pool-blue), var(--splash), var(--wave-light));
    background-size: 200% 100%;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 100% 0%; }
}

@keyframes fade-scale-in {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Modern footer */
.modern-footer {
    text-align: center;
    padding: 24px 20px;
    color: var(--slate);
    font-size: 0.85rem;
    opacity: 0.6;
}

.modern-footer a {
    color: var(--pool-blue);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.modern-footer a:hover {
    opacity: 0.7;
}

/* Form heading */
.title {
    font-family: 'Fraunces', Georgia, serif;
    font-size: clamp(1.25rem, 4vw, 1.5rem);
    color: var(--slate);
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* Override Bootstrap form controls */
.form-control {
    padding: 12px 16px;
    font-size: 1rem;
    font-family: 'DM Sans', sans-serif;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: var(--cloud);
    color: var(--slate);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    height: auto;
}

.form-control:focus {
    border-color: var(--pool-blue);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(8, 145, 178, 0.1);
}

.form-control::placeholder {
    color: #94a3b8;
}

/* Labels */
.control-label {
    color: var(--slate);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Override Bootstrap buttons */
.btn-primary,
.btn-primary.btn-lg {
    background: linear-gradient(135deg, var(--pool-blue), var(--wave-light)) !important;
    color: var(--white) !important;
    border: none !important;
    border-radius: 12px !important;
    padding: 14px 28px !important;
    font-weight: 600 !important;
    font-family: 'DM Sans', sans-serif;
    font-size: 1.05rem !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow:
        0 4px 12px rgba(8, 145, 178, 0.2),
        0 1px 3px rgba(8, 145, 178, 0.1) !important;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active,
.btn-primary.active {
    transform: translateY(-2px);
    box-shadow:
        0 8px 20px rgba(8, 145, 178, 0.3),
        0 2px 6px rgba(8, 145, 178, 0.15) !important;
    background: linear-gradient(135deg, var(--deep-water), var(--pool-blue)) !important;
    border: none !important;
}

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

.btn-info {
    background: linear-gradient(135deg, #0284c7, #0ea5e9) !important;
    border: none !important;
    border-radius: 10px !important;
    color: var(--white) !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-info:hover,
.btn-info:focus {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
    background: linear-gradient(135deg, #0369a1, #0284c7) !important;
}

.btn-warning {
    background: linear-gradient(135deg, #d97706, #f59e0b) !important;
    border: none !important;
    border-radius: 10px !important;
    color: var(--white) !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-warning:hover,
.btn-warning:focus {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
    background: linear-gradient(135deg, #b45309, #d97706) !important;
}

.btn-success {
    background: linear-gradient(135deg, #059669, #10b981) !important;
    border: none !important;
    border-radius: 10px !important;
    color: var(--white) !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-success:hover,
.btn-success:focus {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
    background: linear-gradient(135deg, #047857, #059669) !important;
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626, #ef4444) !important;
    border: none !important;
    border-radius: 10px !important;
    color: var(--white) !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-danger:hover,
.btn-danger:focus {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
    background: linear-gradient(135deg, #b91c1c, #dc2626) !important;
}

/* Alert overrides */
.alert {
    border-radius: 12px;
    border: none;
}

.alert-danger {
    background: #fef2f2;
    color: #991b1b;
}

.alert-warning {
    background: #fffbeb;
    color: #92400e;
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
}

.alert-info {
    background: #f0f9ff;
    color: #075985;
}

/* Table overrides */
.table {
    border-radius: 12px;
    overflow: hidden;
}

.table > thead > tr > th {
    background: var(--pool-tile);
    color: var(--slate);
    border-bottom: 2px solid #e2e8f0;
    font-weight: 600;
}

.table > tbody > tr > td {
    border-color: #f1f5f9;
}

.table-striped > tbody > tr:nth-of-type(odd) {
    background-color: var(--cloud);
}

/* Panel overrides */
.panel {
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.panel-heading {
    border-radius: 16px 16px 0 0;
}

/* Checkbox and radio styling */
.radio label,
.checkbox label {
    color: var(--slate);
    font-weight: 400;
}

/* Input group addon */
.input-group-addon {
    border: 2px solid #e2e8f0;
    border-radius: 0 12px 12px 0;
    background: var(--cloud);
}

.input-group .form-control:first-child {
    border-radius: 12px 0 0 12px;
}

/* Toprightmenu */
.toprightmenu {
    margin-bottom: 15px;
}

.toprightmenu .btn {
    margin-left: 5px;
}

/* Well override */
.well {
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    background: var(--cloud);
    box-shadow: none;
}

/* Responsive */
@media (max-width: 640px) {
    .modern-card {
        border-radius: 20px;
        padding: 16px;
    }

    .form-control,
    .btn {
        border-radius: 10px !important;
    }
}

/* Pace loader override */
.pace .pace-progress {
    background: var(--pool-blue);
}

.pace .pace-activity {
    border-top-color: var(--pool-blue);
    border-left-color: var(--pool-blue);
}

/* PayPal section */
.PayPal {
    margin: 0 auto;
    max-width: 600px;
}

/* Validation states - keep existing but match theme */
input.textbox-invalid {
    border-color: #dc2626 !important;
    color: #dc2626 !important;
}

input:focus.textbox-invalid {
    border-color: #dc2626 !important;
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1) !important;
}

label.textbox-invalid {
    font-weight: bold;
    color: #dc2626 !important;
}

input.textbox-valid {
    border-color: #059669 !important;
}

input.textbox-valid:focus {
    border-color: #059669;
    box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.1);
}

/* Opayo logo */
.opayo-logo {
    max-width: 200px !important;
}