/* ==========================================================================
   aa/style.css - Stylesheet for FB Campaign Insights
   Updated based on unique.css v3 color palette and styling concepts
   ========================================================================== */

/* -------------------------------------------------------------------------- */
/* CSS CUSTOM PROPERTIES (VARIABLES) - From unique.css v3
/* -------------------------------------------------------------------------- */
:root {
    /* Base & Backgrounds */
    --user-bg-main: #F6FAF8; /* Off-White */
    --user-bg-alt: #F1F8F5;  /* Light Mint */
    --user-bg-card: #FFFFFF;
    --user-bg-header-gradient: linear-gradient(135deg, #EAF3FF, #E9FFF5); /* Pastel Blue to Pastel Green */
    --user-bg-header-solid: #E0F2F7; /* A solid light blue-green for wave top */

    /* Accents - Emerald & Forest Green */
    --user-accent-primary: #1EAE6C;   /* Soft Emerald */
    --user-accent-primary-darker: #189a5f;
    --user-accent-secondary: #2BA572; /* Slightly different Emerald */
    --user-accent-deep: #0D523A;      /* Deep Forest Green */

    /* Text Colors */
    --user-text-primary: #1A1A1A;      /* Dark Gray/Black for body text */
    --user-text-secondary: #333333;   /* Lighter Dark Gray for secondary text */
    --user-text-headings: var(--user-accent-deep);
    --user-text-light: #FFFFFF;
    --user-text-muted: #6c757d; /* Bootstrap muted color */
    --user-text-metric-dark: #2c3e50; /* Darker text for light metric backgrounds */
    --user-text-metric-light: #FFFFFF; /* Light text for dark metric backgrounds */


    /* Borders & Shadows */
    --user-border-light: rgba(0, 0, 0, 0.08);
    --user-border-medium: rgba(0, 0, 0, 0.12);
    --user-shadow-light: rgba(20, 82, 58, 0.05);
    --user-shadow-medium: rgba(20, 82, 58, 0.1);
    --user-shadow-strong: rgba(20, 82, 58, 0.15);

    /* Original Pastel & Unique Accents (can be used for new metric backgrounds) */
    --user-pastel-blue: #EAF3FF;
    --user-pastel-pink: #F5E9FF;
    --user-pastel-green: #E9FFF5;
    --user-accent-lime: #D2FFD9;
    --user-accent-yellow: #FFF6CC;
    --user-accent-lilac: #EEDCFF;
    --user-accent-coral: #FFD8D2;
    --user-accent-sky: #D1EEFC;
    --user-accent-peach: #FFDAC1;
    --user-accent-lavender: #E0E7FF;
    --user-accent-aqua: #C4F1F9;
    --user-accent-mint-darker: #A3E6CF;

    /* Deeper Metric Box Background Colors (Solid colors from unique.css) */
    --metric-bg-impressions: #FDECB3;  /* Text: dark */
    --metric-bg-clicks: #BCE3F8;       /* Text: dark */
    --metric-bg-spend: #FFC8C0;        /* Text: dark */
    --metric-bg-messages: #C1F5C9;     /* Text: dark */
    --metric-bg-likes: #ECCFFB;        /* Text: dark */
    --metric-bg-purchases: #E2D1FA;    /* Text: dark */
    --metric-bg-daily: #FADACB;        /* Text: dark */
    --metric-bg-lifetime: #D5DAFA;     /* Text: dark */
    --metric-bg-views: #B2EAF5;        /* Text: dark */
    --metric-bg-thruplay: #95DBC5;     /* Text: dark */
    --metric-bg-adcost: #FBE6C9;       /* Text: dark */
    
    /* New Colorful Metric Backgrounds for Cost/Calc Metrics */
    --metric-bg-cost-message: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); /* Blueish */
    --metric-bg-cost-purchase: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%);/* Pinkish */
    --metric-bg-ctr: linear-gradient(135deg, #69ff97 0%, #00e472 100%);      /* Greenish */
    --metric-bg-cpm: linear-gradient(135deg, #f8cd73 0%, #ffb73a 100%);       /* Orangey */
    --metric-bg-objective-card: rgba(30, 174, 152, 0.07); /* Light version of primary accent */


    /* Chart Specific Colors (a diverse palette from unique.css) */
    --chart-color-1: #1EAE6C;  --chart-color-2: #4A90E2;  --chart-color-3: #F5A623;
    --chart-color-4: #BD10E0;  --chart-color-5: #7ED321;  --chart-color-6: #D0021B;
    --chart-color-7: #4CC9F0;  --chart-color-8: #F72585;  --chart-color-9: #7209B7;
    --chart-color-10: #FF9F1C; --chart-color-11: #2BA572; --chart-color-12: #50E3C2;
    --chart-color-13: #8E44AD; --chart-color-14: #3498DB; --chart-color-15: #E67E22;
    --chart-color-16: #2ECC71; --chart-color-17: #F1C40F; --chart-color-18: #9B59B6;

    --font-heading-user: 'Poppins', sans-serif;
    --font-body: 'Poppins', sans-serif;
}

/* -------------------------------------------------------------------------- */
/* BASE & LAYOUT STYLES
/* -------------------------------------------------------------------------- */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    background-color: var(--user-bg-main); /* Use main background */
    color: var(--user-text-primary);
}

body {
    display: flex;
    flex-direction: column;
    /* Removing the original complex gradient, can be added back if preferred over solid --user-bg-main */
}

.main-wrapper {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
}

.wave-top {
    position: relative;
    height: 180px;
    background-color: var(--user-bg-header-solid); /* Solid light color */
    /* Or use gradient: background-image: var(--user-bg-header-gradient); */
    overflow: hidden;
    margin-bottom: -50px;
}

.wave-top svg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: auto;
    fill: rgba(255,255,255,0.7); 
}

.wave-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding-top: 50px;
}

.wave-content h2 {
    font-size: 1.8rem;
    color: var(--user-text-headings);
    font-weight: 700;
    margin: 0;
    font-family: var(--font-heading-user);
}
.wave-content .header-subtitle {
    font-size: 1rem;
    color: var(--user-accent-deep);
    margin-top: 5px;
}

.content-container {
    flex: 1 0 auto;
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 20px;
}

.glass-card {
    background: rgba(255,255,255,0.9); /* Less transparent for better readability */
    backdrop-filter: blur(8px);
    border: 1px solid var(--user-border-light);
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--user-shadow-medium);
    padding: 25px 30px;
}

/* -------------------------------------------------------------------------- */
/* FORM & BUTTONS
/* -------------------------------------------------------------------------- */
#campaignForm .form-control-lg,
#campaignForm .form-select-lg {
    font-size: 1rem;
    padding: 0.6rem 1rem;
    border-color: var(--user-border-medium);
}
#campaignForm input[name="campaign_id"]:focus,
#datePresetSelect:focus {
    border-color: var(--user-accent-primary);
    box-shadow: 0 0 0 0.2rem rgba(30, 174, 108, 0.25); /* Using primary accent for focus */
}

#fetchBtn {
    background: linear-gradient(135deg, var(--user-accent-primary), var(--user-accent-secondary));
    border: none;
    color: var(--user-text-light);
    font-weight: 600;
    box-shadow: 0 4px 15px var(--user-shadow-strong);
    transition: all 0.3s ease;
    padding: 0.6rem 1rem;
    font-size: 1rem;
}
#fetchBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 174, 108, 0.4); /* Derived from primary accent */
}

.date-preset-btn {
    background-color: #f0f0f0; border: 1px solid var(--user-border-medium);
    margin: 0 3px 5px 3px; font-size: 0.8rem; padding: 0.3rem 0.7rem;
    border-radius: 20px; transition: background-color 0.2s ease, color 0.2s ease;
}
.date-preset-btn.active,
.date-preset-btn:hover {
    background-color: var(--user-accent-primary); color: var(--user-text-light);
    border-color: var(--user-accent-primary);
}
#activeDatePresetDisplay { font-weight: 500; color: var(--user-accent-primary); }

/* -------------------------------------------------------------------------- */
/* CAMPAIGN INFO & STATUS
/* -------------------------------------------------------------------------- */
#campaignInfo { text-align: center; margin-bottom: 25px; padding-bottom: 15px; border-bottom: 1px solid var(--user-border-light); }
#campaignTitle { font-size: 1.3rem; margin-bottom: 5px; font-weight: 600; color: var(--user-text-headings); }
#campaignTitle span { color: var(--user-text-secondary); font-weight: 500; }
.stop-time { font-size: 0.85rem; color: var(--user-text-secondary); font-style: italic; margin-top: 5px; }

.status-badge { display: inline-block; padding: 5px 10px; border-radius: 20px; font-size: 0.75rem; text-transform: uppercase; margin: 5px 0; font-weight: 500; border: 1px solid transparent;}
/* Variable based status badges */
.status-badge.bg-success { background-color: var(--user-accent-primary) !important; color: var(--user-text-light) !important; border-color: var(--user-accent-primary-darker) !important; }
.status-badge.bg-warning { background-color: var(--user-accent-yellow) !important; color: var(--user-text-primary) !important; border-color: #FFC107 !important; } /* Bootstrap yellow */
.status-badge.bg-danger { background-color: var(--user-accent-coral) !important; color: var(--user-text-primary) !important; border-color: #DC3545 !important; } /* Bootstrap red */
.status-badge.bg-secondary { background-color: var(--user-text-muted) !important; color: var(--user-text-light) !important; border-color: #5a6268 !important; }
.status-badge.bg-info { background-color: var(--user-accent-sky) !important; color: var(--user-text-primary) !important; border-color: #0DCAF0 !important; } /* Bootstrap info */

/* -------------------------------------------------------------------------- */
/* SECTION TITLES
/* -------------------------------------------------------------------------- */
.section-title { margin: 30px 0 20px 0; text-align: center; font-weight: 600; color: var(--user-text-headings); font-size: 1.4rem; font-family: var(--font-heading-user); }
.section-title i { margin-right: 8px; color: var(--user-accent-primary); }

/* -------------------------------------------------------------------------- */
/* METRIC BOXES (OVERVIEW & ADS)
/* -------------------------------------------------------------------------- */
.metric-box {
    border-radius: 10px; padding: 15px; text-align: center; font-size: 0.9rem; font-weight: 500;
    margin-bottom: 15px; box-shadow: 0 3px 10px var(--user-shadow-light);
    transition: transform 0.3s, box-shadow 0.3s;
    color: var(--user-text-metric-dark); /* Default dark text for light backgrounds */
}
.metric-box:hover { transform: translateY(-4px); box-shadow: 0 6px 15px var(--user-shadow-medium); }
.metric-box div:first-child { opacity: 0.8; font-size: 0.8em; margin-bottom: 3px; text-transform: uppercase; letter-spacing: 0.5px;}
.metric-box div:last-child { font-size: 1.2em; font-weight: 700; }

/* Using CSS Variables for Metric Box Backgrounds */
.metric-box.bg-impressions { background-color: var(--metric-bg-impressions); }
.metric-box.bg-clicks { background-color: var(--metric-bg-clicks); }
.metric-box.bg-spend { background-color: var(--metric-bg-spend); }
.metric-box.bg-messages { background-color: var(--metric-bg-messages); }
.metric-box.bg-likes { background-color: var(--metric-bg-likes); }
.metric-box.bg-purchases { background-color: var(--metric-bg-purchases); }
.metric-box.bg-daily { background-color: var(--metric-bg-daily); }
.metric-box.bg-lifetime { background-color: var(--metric-bg-lifetime); }
.metric-box.bg-views { background-color: var(--metric-bg-views); }
.metric-box.bg-thruplay { background-color: var(--metric-bg-thruplay); }
.metric-box.bg-adcost { background-color: var(--metric-bg-adcost); } /* For individual ad metrics if needed */

/* New colorful backgrounds for specific cost/calc metrics */
.metric-box.bg-cost-message { background-image: var(--metric-bg-cost-message); color: var(--user-text-metric-light); }
.metric-box.bg-cost-purchase { background-image: var(--metric-bg-cost-purchase); color: var(--user-text-metric-light); }
.metric-box.bg-ctr { background-image: var(--metric-bg-ctr); color: var(--user-text-metric-light); }
.metric-box.bg-cpm { background-image: var(--metric-bg-cpm); color: var(--user-text-metric-dark); } /* CPM may need dark text */

.metric-box.bg-objective { background-color: var(--metric-bg-objective-card); color: var(--user-accent-primary); border: 1px solid var(--user-accent-primary); }
.metric-box.bg-calc-metric { /* Fallback if specific cost classes not used */
    background-color: rgba(128,128,128,0.05); color: var(--user-text-secondary); border: 1px solid rgba(128,128,128,0.15);
}


/* -------------------------------------------------------------------------- */
/* TOP PERFORMER CARDS
/* -------------------------------------------------------------------------- */
.top-stat-card {
    background-color: var(--user-bg-card); border-radius: 10px; padding: 20px; text-align: center;
    box-shadow: 0 5px 15px var(--user-shadow-medium); margin-bottom: 20px;
    transition: all 0.3s ease; height: 100%; display: flex; flex-direction: column; justify-content: center;
}
.top-stat-card:hover { transform: translateY(-4px); box-shadow: 0 8px 20px var(--user-shadow-strong); }
.top-stat-label { font-size: 0.8rem; color: var(--user-accent-primary); margin-bottom: 8px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.top-stat-value { font-size: 1.3rem; font-weight: 700; color: var(--user-text-primary); margin-bottom: 4px; word-break: break-word; }
.top-stat-card .text-muted.small { font-size: 0.75rem; color: var(--user-text-muted) !important; display: block; margin-top: 2px; }

/* -------------------------------------------------------------------------- */
/* AD CARDS
/* -------------------------------------------------------------------------- */
.ad-card { border: 1px solid var(--user-border-medium); border-radius: 10px; background-color: var(--user-bg-card); box-shadow: 0 2px 5px var(--user-shadow-light); }
.ad-image { width: 100%; max-height: 220px; object-fit: cover; border-radius: 8px 8px 0 0; margin-bottom: 10px; border-bottom: 1px solid var(--user-border-light); }
.ad-name { font-weight: 600; font-size: 0.95rem; color: var(--user-accent-deep); margin-bottom: 5px; line-height: 1.3; min-height: 40px; }
.ad-card .metric-box { font-size: 0.8rem; padding: 8px 5px; margin-bottom: 8px; } /* Metrics inside ads */
.ad-card .metric-box div:last-child { font-size: 1em; }

/* -------------------------------------------------------------------------- */
/* CHARTS
/* -------------------------------------------------------------------------- */
.chart-container {
    position: relative; margin: auto; height: 370px; /* Increased height for padding */ width: 100%;
    margin-bottom: 30px; padding: 15px; /* Default padding as requested 'p-3' like */
    background: var(--user-bg-card); border-radius: 10px; box-shadow: 0 5px 15px var(--user-shadow-medium);
    display: flex; flex-direction: column; min-height: 320px; /* Ensure min height with padding */
}
.chart-title { font-size: 0.95rem; color: var(--user-text-secondary); text-align: center; margin-bottom: 15px; font-weight: 600; }
.no-data-placeholder { display: flex; flex-direction: column; justify-content: center; align-items: center; height: 100%; text-align: center; color: #888; font-size: 0.9rem; background-color: var(--user-bg-alt); border-radius: 8px; flex-grow: 1; padding: 20px; }
.no-data-placeholder i { color: #bbb; margin-bottom: 10px; }
.chart-container canvas { display: block; width: 100% !important; height: auto !important; flex-grow: 1; }


/* -------------------------------------------------------------------------- */
/* FOOTER, SPINNER, SKELETON, ALERTS
/* -------------------------------------------------------------------------- */
footer { flex-shrink: 0; background: var(--user-accent-deep); color: var(--user-text-light); text-align: center; padding: 1rem; margin-top: 30px; }
footer p { margin: 0; font-weight: 500; font-size: 0.9rem; }
.footer-heart { color: #ff6b6b; }

#spinnerOverlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(255,255,255,0.7); display: none; align-items: center; justify-content: center; z-index: 9999; backdrop-filter: blur(3px); }
.ringSpinner { width: 50px; height: 50px; border: 5px solid #ccc; border-top: 5px solid var(--user-accent-primary); border-radius: 50%; animation: ringSpin 0.8s linear infinite; }
@keyframes ringSpin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.skeleton { animation: skeleton-loading 1.2s linear infinite alternate; background: #e9ecef; border-radius: 8px; }
@keyframes skeleton-loading { 0% { background-color: #f8f9fa; } 100% { background-color: #e9ecef; } }

#errorMessage, #warningMessage, #resultsHr, #resultsContainer, #skeletonContainer { display: none; }
.alert { border-radius: 8px; font-size: 0.9rem; }

/* -------------------------------------------------------------------------- */
/* RESPONSIVE STYLES (from original, variables might need checking here)
/* -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .ad-image { max-height: 180px; }
    .chart-container { height: 330px; padding: 15px;} /* Adjusted height for responsiveness */
    .wave-top { height: 160px; margin-bottom: -40px; }
    .wave-content h2 { font-size: 1.6rem; }
    .section-title {font-size: 1.25rem;}
    .top-stat-card {padding: 15px;} .top-stat-value {font-size: 1.1rem;}
}

@media (max-width: 576px) {
    .wave-top { height: 140px; margin-bottom: -30px; }
    .wave-content { padding-top: 40px; } .wave-content h2 { font-size: 1.3rem; }
    .glass-card { padding: 20px 15px; }
    .ad-image { max-height: 150px; }
    .chart-container { height: 300px; padding: 10px; } /* Adjusted height */
    .top-stat-card { padding: 10px; } .top-stat-label {font-size: 0.75rem;} .top-stat-value { font-size: 1rem; }
    .section-title {font-size: 1.1rem;}
    .metric-box div:first-child {font-size: 0.75em;} .metric-box div:last-child {font-size: 1.1em;}
}

/* Custom Metric Gradients */
.metric-box.bg-daily { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; }
.metric-box.bg-spend { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); color: #fff; }
.metric-box.bg-cost-message { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); color: #fff; }
.metric-box.bg-cost-purchase { background: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%); color: #fff; }
.metric-box.bg-ctr { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); color: #1a1a1a; }
.metric-box.bg-cpm { background: linear-gradient(135deg, #f6d365 0%, #fda085 100%); color: #1a1a1a; }
.metric-box.bg-objective { background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%); color: #1a1a1a; }

/* Budget Progress Bar */
.budget-progress-container { width: 100%; background-color: #e9ecef; border-radius: 10px; margin-top: 10px; overflow: hidden; }
.budget-progress-bar { height: 10px; background: #2ecc71; transition: width 0.5s ease; }

.ad-card { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.ad-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }