/**
 * Sando.Blue Stylesheet - Ocean Depths Theme
 * ==========================================
 *
 * Agent Instructions:
 * This file is documented for machine-readability. Use the table of contents
 * and search for the section number (e.g., "S2.1") to navigate.
 * Each section is tagged to link its purpose to the broader application structure.
 */

/* ==========================================================================
   S1. BASE STYLES
   ========================================================================== */

/* S1.1 Reset & Globals */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: linear-gradient(135deg, #0B1426 0%, #1A2847 25%, #0F1B2E 50%, #162238 75%, #0A1422 100%);
    background-size: 400% 400%;
    animation: oceanFlow 20s ease-in-out infinite;
    color: #E8F4FD;
    position: relative;
    overflow-x: hidden;
}

/* Responsive body padding */
@media (min-width: 768px) {
    body {
        padding: 1.5rem;
    }
}

@media (min-width: 1024px) {
    body {
        padding: 2rem;
    }
}

@keyframes oceanFlow {
    0%, 100% { background-position: 0% 50%; }
    25% { background-position: 100% 50%; }
    50% { background-position: 50% 100%; }
    75% { background-position: 50% 0%; }
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* S1.2 Typography */
h1 {
    color: #DBEAFE;
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    background: linear-gradient(135deg, #60A5FA, #3B82F6, #2563EB);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

h3 {
    color: #BFDBFE;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    color: #93C5FD;
    margin-bottom: 1rem;
    line-height: 1.6;
}

code {
    background: rgba(30, 64, 175, 0.2);
    padding: 0.2rem 0.4rem;
    border-radius: 6px;
    font-family: 'SF Mono', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    color: #DBEAFE;
    border: 1px solid rgba(59, 130, 246, 0.3);
    backdrop-filter: blur(4px);
}

a {
    color: #60A5FA;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #93C5FD;
    text-decoration: underline;
    text-shadow: 0 0 8px rgba(96, 165, 250, 0.5);
}

/* ==========================================================================
   S2. LAYOUT
   ========================================================================== */

/* S2.1 Containers */
.container {
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.9), rgba(30, 64, 175, 0.7));
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(59, 130, 246, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 600px;
    position: relative;
}

/* Responsive container sizing */
@media (min-width: 768px) {
    .container {
        max-width: 800px;
        padding: 2rem;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1000px;
        padding: 2.5rem;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1200px;
        padding: 3rem;
    }
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.8), transparent);
}

.container-wide {
    max-width: 900px;
}

/* ==========================================================================
   S3. COMPONENTS
   ========================================================================== */

/* S3.1 Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #BFDBFE;
    font-size: 0.9rem;
}

input[type='text'], input[type='number'], textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid rgba(59, 130, 246, 0.3);
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
    backdrop-filter: blur(10px);
    color: #E8F4FD;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

input[type='text']:focus, input[type='number']:focus, textarea:focus {
    outline: none;
    border-color: #60A5FA;
    box-shadow: 
        0 0 0 3px rgba(96, 165, 250, 0.2),
        inset 0 2px 4px rgba(0, 0, 0, 0.2),
        0 0 20px rgba(96, 165, 250, 0.1);
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.7));
}

textarea.token-input {
    min-height: 120px;
    font-family: monospace;
    font-size: 0.9rem;
    resize: vertical;
}

/* S3.2 Buttons */
button, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: auto;
    background: linear-gradient(135deg, #3B82F6, #2563EB, #1D4ED8);
    color: white;
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 12px rgba(59, 130, 246, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

button::before, .btn::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 ease;
}

button:hover::before, .btn:hover::before {
    left: 100%;
}

.btn-full {
    width: 100%;
}

.btn-inline {
    margin-top: 1.5rem;
}

button:hover, .btn:hover {
    background: linear-gradient(135deg, #60A5FA, #3B82F6, #2563EB);
    box-shadow: 
        0 8px 20px rgba(59, 130, 246, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

button:active, .btn:active {
    transform: translateY(0);
    box-shadow: 
        0 2px 8px rgba(59, 130, 246, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.8), rgba(30, 64, 175, 0.6));
    border-color: rgba(59, 130, 246, 0.4);
    color: #BFDBFE;
    box-shadow: 
        0 4px 12px rgba(30, 58, 138, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: linear-gradient(145deg, rgba(37, 99, 235, 0.8), rgba(59, 130, 246, 0.6));
    border-color: rgba(96, 165, 250, 0.5);
    color: #DBEAFE;
    box-shadow: 
        0 8px 20px rgba(37, 99, 235, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-danger {
    background: linear-gradient(135deg, #DC2626, #B91C1C, #991B1B);
    border-color: rgba(220, 38, 38, 0.3);
    box-shadow: 
        0 4px 12px rgba(220, 38, 38, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #EF4444, #DC2626, #B91C1C);
    box-shadow: 
        0 8px 20px rgba(220, 38, 38, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-danger:disabled {
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.4), rgba(30, 64, 175, 0.3));
    color: #6B7280;
    cursor: not-allowed;
    opacity: 0.7;
    box-shadow: none;
}

.btn-small {
    padding: 0.5rem 0.875rem;
    font-size: 0.875rem;
}

/* S3.3 Status Indicators */
.status-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    border: 2px solid;
    backdrop-filter: blur(10px);
}

.status-icon-success {
    color: #34D399;
    border-color: #34D399;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.2), rgba(16, 185, 129, 0.1));
    box-shadow: 
        0 0 20px rgba(52, 211, 153, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.status-icon-error {
    color: #F87171;
    border-color: #F87171;
    background: radial-gradient(circle, rgba(248, 113, 113, 0.2), rgba(239, 68, 68, 0.1));
    box-shadow: 
        0 0 20px rgba(248, 113, 113, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* S3.4 Connection Display */
.connection-value {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    word-break: break-all;
    font-family: 'SF Mono', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

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

.connection-item {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
    backdrop-filter: blur(10px);
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.connection-item:hover {
    border-color: #60A5FA;
    box-shadow: 
        0 8px 20px rgba(59, 130, 246, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.connection-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.connection-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.connection-id { 
    font-size: 0.875rem; 
    color: #93C5FD;
    font-weight: 600;
}

.connection-string, .connection-port, .proxy-url, .target-url { 
    font-size: 1rem;
    line-height: 1.4;
    color: #E8F4FD;
}

.connection-date { 
    font-size: 0.8rem;
    color: #93C5FD;
    margin-top: 0.5rem;
}

.proxy-url code, .target-url code {
    background: rgba(59, 130, 246, 0.2);
    color: #93C5FD;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.4);
}

/* S3.5 Info Box */
.info-box {
    background: linear-gradient(145deg, rgba(30, 64, 175, 0.3), rgba(59, 130, 246, 0.2));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(96, 165, 250, 0.4);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 2rem;
    box-shadow: 
        0 4px 12px rgba(59, 130, 246, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.info-box h3 {
    color: #93C5FD;
}

.info-box p {
    color: #BFDBFE;
}

/* ==========================================================================
   S4. PAGE-SPECIFIC STYLES
   ========================================================================== */

/* S4.1 Page Backgrounds */
body.bg-primary, body.bg-success, body.bg-error, body.bg-info {
    background: linear-gradient(135deg, #0B1426 0%, #1A2847 25%, #0F1B2E 50%, #162238 75%, #0A1422 100%);
    background-size: 400% 400%;
    animation: oceanFlow 20s ease-in-out infinite;
}

/* S4.2 Status/Submit Page */
.status-container {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.service-link-container {
    margin: 2rem 0 3rem 0;
    padding: 2rem;
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.6), rgba(30, 41, 59, 0.4));
    backdrop-filter: blur(15px);
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 
        0 8px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.service-link {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: #93C5FD;
    text-decoration: none;
    padding: 1.5rem 2rem;
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    transition: all 0.3s ease;
    font-family: 'SF Mono', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    word-break: break-all;
    margin-bottom: 1rem;
    box-shadow: 
        0 4px 12px rgba(59, 130, 246, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.service-link:hover {
    border-color: #60A5FA;
    color: #DBEAFE;
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.8), rgba(37, 99, 235, 0.6));
    box-shadow: 
        0 8px 20px rgba(96, 165, 250, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    text-shadow: 0 0 10px rgba(96, 165, 250, 0.5);
}

.service-description {
    color: #93C5FD;
    font-size: 1rem;
    margin: 0;
    font-weight: 500;
}

.error-message {
    color: #FECACA;
    font-size: 1.1rem;
    margin: 1.5rem 0;
    padding: 1rem;
    background: linear-gradient(145deg, rgba(220, 38, 38, 0.2), rgba(185, 28, 28, 0.1));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: 8px;
    box-shadow: 
        0 4px 12px rgba(220, 38, 38, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.status-container .actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.status-container .actions .btn {
    min-width: 150px;
}

.actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* S4.3 Connections Page */
.empty-state {
    text-align: center;
    color: #93C5FD;
    padding: 3rem 0;
}

.connections-controls {
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.8), rgba(30, 64, 175, 0.6));
    backdrop-filter: blur(15px);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    box-shadow: 
        0 4px 12px rgba(30, 58, 138, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.selection-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: #BFDBFE;
    cursor: pointer;
}

input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(59, 130, 246, 0.5);
    border-radius: 4px;
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
    backdrop-filter: blur(10px);
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

input[type="checkbox"]:checked {
    background: linear-gradient(135deg, #3B82F6, #2563EB);
    border-color: #60A5FA;
    box-shadow: 
        0 0 10px rgba(59, 130, 246, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

input[type="checkbox"]:checked::before {
    content: '✓';
    font-size: 12px;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

input[type="checkbox"]:indeterminate {
    background: linear-gradient(135deg, #3B82F6, #2563EB);
    border-color: #60A5FA;
    box-shadow: 
        0 0 10px rgba(59, 130, 246, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

input[type="checkbox"]:indeterminate::before {
    content: '−';
    font-size: 12px;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.connection-count {
    font-size: 0.875rem;
    color: #93C5FD;
    font-weight: 500;
}

.connection-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.connection-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.connection-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ==========================================================================
   S5. UTILITY CLASSES
   ========================================================================== */

/*
 * S5.1 Alignment & Spacing
 * Used: Globally throughout templates.
 */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* ==========================================================================
   S6. PAYMENT PAGE STYLES
   ========================================================================== */
.payment-container {
    max-width: 500px;
    margin: 4rem auto;
    padding: 2.5rem;
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.9), rgba(30, 64, 175, 0.7));
    backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(59, 130, 246, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    text-align: center;
}

.error-header {
    color: #FBB06A; /* Warm orange for payment */
    margin-bottom: 2rem;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(251, 176, 106, 0.3));
}

.payment-details {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    border-left: 4px solid #FBB06A;
    box-shadow: 
        0 4px 12px rgba(251, 176, 106, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.amount {
    font-size: 2.5rem;
    font-weight: bold;
    color: #E8F4FD;
    margin: 0.5rem 0;
    text-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

.service-info {
    font-size: 0.9rem;
    color: #93C5FD;
    word-break: break-all;
}

.processing {
    opacity: 0.7;
    pointer-events: none;
}

.status-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: left;
    border: 1px solid;
    backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.status-success {
    background: linear-gradient(145deg, rgba(52, 211, 153, 0.2), rgba(16, 185, 129, 0.1));
    color: #6EE7B7;
    border-color: rgba(52, 211, 153, 0.3);
}

.status-error {
    background: linear-gradient(145deg, rgba(248, 113, 113, 0.2), rgba(239, 68, 68, 0.1));
    color: #FCA5A5;
    border-color: rgba(248, 113, 113, 0.3);
}

.btn-cancel {
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.8), rgba(30, 64, 175, 0.6));
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #BFDBFE;
}
.btn-cancel:hover {
    background: linear-gradient(145deg, rgba(37, 99, 235, 0.8), rgba(59, 130, 246, 0.6));
    border-color: rgba(96, 165, 250, 0.5);
    color: #DBEAFE;
}