/* 
 * Mobile App Global Styles
 * Features: Dark/Tech theme, Responsive, Touch-friendly
 */

:root {
    --primary-color: #007aff;
    --bg-color: #f5f5f7;
    --card-bg: #ffffff;
    --text-main: #1d1d1f;
    --text-sub: #86868b;
    --border-color: #d2d2d7;
    --success-color: #34c759;
    --danger-color: #ff3b30;
    --safe-area-bottom: env(safe-area-inset-bottom, 20px);
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #0a84ff;
        --bg-color: #000000;
        --card-bg: #1c1c1e;
        --text-main: #f5f5f7;
        --text-sub: #98989d;
        --border-color: #38383a;
    }
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

#app {
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
    padding-bottom: calc(80px + var(--safe-area-bottom));
}

/* Header */
.app-header {
    padding: 20px 20px 10px;
    position: sticky;
    top: 0;
    background: var(--bg-color);
    z-index: 100;
}
.app-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.5px;
}
.app-subtitle {
    font-size: 15px;
    color: var(--text-sub);
    margin: 4px 0 0;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 16px;
    margin: 15px 20px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
@media (prefers-color-scheme: dark) {
    .card {
        box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    }
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}
.info-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.info-label {
    color: var(--text-sub);
    font-size: 15px;
}
.info-value {
    font-weight: 600;
    font-size: 15px;
    text-align: right;
    max-width: 60%;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}
.form-label {
    display: block;
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 8px;
    padding-left: 4px;
}
.form-input {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    font-size: 18px;
    color: var(--text-main);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
}
textarea.form-input {
    min-height: 100px;
    resize: vertical;
}

/* Big Number Input */
input[type="number"].form-input {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 1px;
}

/* Buttons */
.btn-primary {
    display: block;
    width: 100%;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 14px;
    padding: 16px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}
.btn-primary:active {
    opacity: 0.8;
    transform: scale(0.98);
}
.btn-primary:disabled {
    background: var(--border-color);
    color: var(--text-sub);
    cursor: not-allowed;
}

/* Fixed Bottom Action */
.action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px 20px var(--safe-area-bottom);
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background-color: color-mix(in srgb, var(--bg-color) 80%, transparent);
    z-index: 100;
    display: flex;
    justify-content: center;
}
.action-bar .btn-primary {
    max-width: 600px;
}

/* Loading Toast */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.8);
    color: #fff;
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 15px;
    z-index: 1000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}
.toast.show {
    opacity: 1;
}

/* Utilities */
.text-center { text-align: center; }
.mt-4 { margin-top: 24px; }
.mb-4 { margin-bottom: 24px; }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }

/* Progress Status */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    background: var(--primary-color);
    color: #fff;
}