:root {
    --app-bg: #0b1221;
    --app-card: #151e32;
    --app-text: #ffffff;
    --app-text-muted: #94a3b8;
    --app-green: #10b981;
    --app-green-hover: #059669;
    --app-gold: #fbbf24;
    --app-border: #1f2937;
    --app-blue: #3b82f6;
    --app-red: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* Mobile Frame for Desktop Viewing */
.mobile-frame {
    width: 100%;
    height: 100vh;
    background-color: var(--app-bg);
    position: relative;
    overflow: hidden;
    color: var(--app-text);
    display: flex;
    flex-direction: column;
    margin: 0 auto;
}

/* App Header */
.app-header {
    padding: 20px 20px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.back-btn {
    color: var(--app-text);
    font-size: 1.2rem;
    text-decoration: none;
}

.header-title {
    font-weight: 600;
    font-size: 1.1rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

/* App Content Area */
.app-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

/* Splash Screen */
.splash-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    background: radial-gradient(circle at center, #152238 0%, #0b1221 100%);
}

.splash-logo {
    width: 250px;
    margin-bottom: 50px;
    animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.loading-bar {
    width: 200px;
    height: 6px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 10px;
    overflow: hidden;
    margin-top: 20px;
}

.loading-progress {
    width: 40%;
    height: 100%;
    background-color: var(--app-gold);
    border-radius: 10px;
    animation: loading 3s linear infinite;
}

@keyframes loading {
    0% { width: 0%; }
    100% { width: 100%; }
}

.splash-text {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--app-gold);
    font-weight: 600;
    letter-spacing: 1px;
}

/* Typography & Utilities */
.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.text-muted { color: var(--app-text-muted); }
.text-gold { color: var(--app-gold); }
.font-bold { font-weight: 700; }

/* Buttons */
.btn {
    width: 100%;
    padding: 15px;
    border-radius: 12px;
    border: none;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.1s, opacity 0.2s;
}

.btn:active {
    transform: scale(0.98);
}

.btn-green {
    background-color: var(--app-green);
    color: #fff;
    box-shadow: 0 4px 0 #047857;
}
.btn-green:hover { background-color: var(--app-green-hover); }

.btn-gold {
    background-color: var(--app-gold);
    color: #000;
    box-shadow: 0 4px 0 #d97706;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--app-green);
    color: var(--app-green);
}

/* Inputs */
.input-group {
    margin-bottom: 20px;
    position: relative;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--app-text-muted);
}

.form-control {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border-radius: 12px;
    border: 1px solid var(--app-border);
    background-color: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 1rem;
}
.form-control:focus {
    outline: none;
    border-color: var(--app-green);
}

/* OTP Squares */
.otp-grid {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin: 30px 0;
}
.otp-input {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    border: 1px solid var(--app-border);
    background-color: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 1.5rem;
    text-align: center;
    font-weight: bold;
}
.otp-input:focus {
    outline: none;
    border-color: var(--app-green);
}

/* Keypad */
.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: auto;
    padding-bottom: 20px;
}
.keypad-btn {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    padding: 20px 0;
    cursor: pointer;
}
.keypad-btn:active {
    background-color: rgba(255,255,255,0.1);
    border-radius: 12px;
}

/* Bottom Nav */
.bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 15px 0;
    background-color: var(--app-card);
    border-top: 1px solid var(--app-border);
}
.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--app-text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    gap: 5px;
}
.nav-item.active {
    color: var(--app-gold);
}
.nav-item i {
    font-size: 1.2rem;
}

/* Cards */
.card {
    background-color: var(--app-card);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 15px;
    border: 1px solid var(--app-border);
}
.card-title {
    font-size: 0.9rem;
    color: var(--app-text-muted);
    margin-bottom: 10px;
}
.card-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: #fff;
}

/* Home Screen specifics */
.profile-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}
.profile-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--app-gold);
}
.profile-info h3 {
    font-size: 1.1rem;
    margin-bottom: 2px;
}
.profile-info p {
    font-size: 0.8rem;
    color: var(--app-text-muted);
}

.match-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.match-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--app-card);
    border-radius: 12px;
    padding: 15px;
    border: 1px solid var(--app-border);
}
.match-info {
    display: flex;
    align-items: center;
    gap: 15px;
}
.match-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(251, 191, 36, 0.1);
    color: var(--app-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}
.match-details h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}
.match-details p {
    font-size: 0.8rem;
    color: var(--app-text-muted);
}