/* ========================================
   BUNCH SPEED - Jack Session Tracker
   Brand Colors: Black (#0a0a0a), Gold (#FFD700)
   ======================================== */

:root {
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --accent-gold: #FFD700;
    --gold-glow: rgba(255, 215, 0, 0.3);
    --text-white: #ffffff;
    --text-gray: #b0b0b0;
    --border-gray: #2a2a2a;
    --success-green: #00ff88;
    --danger-red: #ff4444;
    --card-bg: #141414;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, var(--primary-black) 0%, #000000 100%);
    color: var(--text-white);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   HEADER
   ======================================== */

.header {
    background: var(--secondary-black);
    border-bottom: 2px solid var(--accent-gold);
    padding: 20px 0;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo i {
    font-size: 36px;
    color: var(--accent-gold);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.logo h1 {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--accent-gold);
    text-transform: uppercase;
}

.subtitle {
    font-size: 18px;
    font-weight: 400;
    color: var(--text-gray);
    letter-spacing: 1px;
}

/* ========================================
   MAIN CONTENT
   ======================================== */

.main-content {
    padding: 40px 0;
}

/* ========================================
   SUMMARY CARD
   ======================================== */

.summary-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--secondary-black) 100%);
    border: 2px solid var(--accent-gold);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 8px 32px var(--gold-glow);
}

.summary-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-gold);
    text-align: center;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.summary-item {
    text-align: center;
}

.summary-item i {
    font-size: 36px;
    color: var(--accent-gold);
    margin-bottom: 15px;
}

.summary-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 8px;
}

.summary-label {
    font-size: 14px;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   STATS GRID
   ======================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-gray);
    border-radius: 12px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-gold);
    box-shadow: 0 8px 24px var(--gold-glow);
}

.stat-card.highlight {
    border: 2px solid var(--accent-gold);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(255, 215, 0, 0.05) 100%);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--secondary-black);
    border: 2px solid var(--border-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-white);
}

.stat-icon.gold {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   ACTION SECTION
   ======================================== */

.action-section {
    background: var(--card-bg);
    border: 1px solid var(--border-gray);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn i {
    font-size: 18px;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--primary-black);
    box-shadow: 0 4px 15px var(--gold-glow);
}

.btn-primary:hover {
    background: #ffed4e;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--gold-glow);
}

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

.btn-secondary {
    background: var(--secondary-black);
    color: var(--text-white);
    border: 2px solid var(--border-gray);
}

.btn-secondary:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.btn-export {
    background: var(--secondary-black);
    color: var(--success-green);
    border: 2px solid var(--success-green);
    padding: 12px 24px;
    font-size: 14px;
}

.btn-export:hover {
    background: var(--success-green);
    color: var(--primary-black);
}

.btn-danger {
    background: transparent;
    color: var(--danger-red);
    border: 2px solid var(--danger-red);
}

.btn-danger:hover {
    background: var(--danger-red);
    color: var(--text-white);
}

/* ========================================
   BTC SECTION
   ======================================== */

.btc-section {
    background: var(--card-bg);
    border: 1px solid var(--border-gray);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.btc-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btc-info i {
    font-size: 48px;
    color: var(--accent-gold);
}

.btc-label {
    font-size: 13px;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.btc-price {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 5px;
}

.btc-updated {
    font-size: 12px;
    color: var(--text-gray);
}

.btc-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btc-actions .btn {
    padding: 12px 24px;
    font-size: 14px;
}

/* ========================================
   SESSION HISTORY
   ======================================== */

.history-section {
    background: var(--card-bg);
    border: 1px solid var(--border-gray);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.session-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.session-item {
    background: var(--secondary-black);
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    padding: 20px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.session-item:hover {
    border-color: var(--accent-gold);
    transform: translateX(5px);
}

.session-icon {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--accent-gold);
}

.session-details h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 5px;
}

.session-meta {
    font-size: 13px;
    color: var(--text-gray);
}

.session-amount {
    text-align: right;
}

.session-usd {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 5px;
}

.session-btc {
    font-size: 13px;
    color: var(--text-gray);
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-gray);
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state p {
    font-size: 16px;
}

/* ========================================
   DANGER ZONE
   ======================================== */

.danger-zone {
    background: var(--card-bg);
    border: 2px solid var(--danger-red);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
}

/* ========================================
   MODAL
   ======================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--secondary-black);
    border: 2px solid var(--accent-gold);
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 8px 32px var(--gold-glow);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 25px 30px;
    border-bottom: 1px solid var(--border-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-gold);
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: var(--text-gray);
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--danger-red);
}

.modal-body {
    padding: 30px;
}

.modal-body label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-group {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.input-group:focus-within {
    border-color: var(--accent-gold);
}

.input-prefix {
    padding: 15px;
    background: var(--secondary-black);
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 18px;
}

.input-group input {
    flex: 1;
    padding: 15px;
    border: none;
    background: transparent;
    color: var(--text-white);
    font-size: 16px;
    font-family: 'Montserrat', sans-serif;
    outline: none;
}

.input-group input::placeholder {
    color: var(--text-gray);
}

.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--border-gray);
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

.modal-footer .btn {
    padding: 12px 30px;
    font-size: 14px;
}

.confirm-icon {
    text-align: center;
    margin-bottom: 20px;
}

.confirm-icon i {
    font-size: 64px;
    color: var(--success-green);
}

.modal-body p {
    text-align: center;
    font-size: 16px;
    color: var(--text-white);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--secondary-black);
    border-top: 2px solid var(--accent-gold);
    padding: 30px 0;
    text-align: center;
    margin-top: 60px;
}

.footer p {
    color: var(--text-gray);
    font-size: 14px;
    letter-spacing: 1px;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .logo h1 {
        font-size: 24px;
    }

    .subtitle {
        font-size: 16px;
    }

    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .button-grid {
        grid-template-columns: 1fr;
    }

    .btc-section {
        flex-direction: column;
        align-items: flex-start;
    }

    .btc-actions {
        width: 100%;
    }

    .btc-actions .btn {
        flex: 1;
    }

    .session-item {
        grid-template-columns: auto 1fr;
    }

    .session-amount {
        grid-column: 2 / 3;
        text-align: left;
        margin-top: 10px;
    }
}

@media (max-width: 480px) {
    .summary-grid {
        grid-template-columns: 1fr;
    }

    .summary-item {
        padding: 15px 0;
        border-bottom: 1px solid var(--border-gray);
    }

    .summary-item:last-child {
        border-bottom: none;
    }
}