/* style.css */
/* Core Premium Design System & Utilities */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette: Slate & Neon Violet Theme */
    --bg-base: hsl(222, 25%, 8%);
    --bg-sidebar: hsl(222, 25%, 5%);
    --bg-card: hsla(222, 25%, 12%, 0.6);
    --bg-card-hover: hsla(222, 25%, 15%, 0.8);
    --bg-input: hsla(222, 25%, 6%, 0.8);
    
    --border-color: hsla(222, 20%, 25%, 0.4);
    --border-glass: hsla(0, 0%, 100%, 0.08);
    --border-glass-focus: hsla(260, 85%, 65%, 0.4);
    
    --text-primary: hsl(210, 40%, 98%);
    --text-secondary: hsl(215, 20%, 65%);
    --text-muted: hsl(215, 15%, 45%);
    
    /* Primary Gradient: Violet/Indigo to Magenta */
    --grad-primary: linear-gradient(135deg, hsl(260, 85%, 62%) 0%, hsl(290, 85%, 55%) 100%);
    --grad-accent: linear-gradient(135deg, hsl(180, 85%, 45%) 0%, hsl(210, 85%, 50%) 100%);
    --grad-danger: linear-gradient(135deg, hsl(355, 80%, 55%) 0%, hsl(15, 85%, 55%) 100%);
    --grad-success: linear-gradient(135deg, hsl(140, 75%, 45%) 0%, hsl(165, 80%, 45%) 100%);
    
    /* Colors */
    --color-primary: hsl(260, 85%, 65%);
    --color-accent: hsl(180, 85%, 45%);
    --color-success: hsl(142, 70%, 50%);
    --color-danger: hsl(350, 80%, 60%);
    --color-warning: hsl(45, 90%, 55%);
    
    --glow-primary: 0 0 20px hsla(260, 85%, 65%, 0.3);
    --glow-accent: 0 0 20px hsla(180, 85%, 45%, 0.25);
    --shadow-soft: 0 10px 30px -10px hsla(0, 0%, 0%, 0.5);
    
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.15s ease;
}

/* Base resets & styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: hsl(260, 85%, 75%);
}

/* Layout Grid */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar Styling */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    z-index: 100;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.sidebar-brand {
    padding: 24px 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-primary);
}

.brand-logo svg {
    width: 20px;
    height: 20px;
    fill: white;
}

.brand-name {
    font-size: 20px;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    background: linear-gradient(to right, #ffffff, #a3a3a3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    list-style: none;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
    overflow-y: auto;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 18px;
    color: var(--text-secondary);
    border-radius: 12px;
    font-weight: 500;
    font-size: 14.5px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.menu-item a svg {
    width: 20px;
    height: 20px;
    transition: var(--transition-smooth);
    stroke: var(--text-secondary);
    fill: none;
    stroke-width: 2;
}

.menu-item.active a,
.menu-item a:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.menu-item.active a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 25%;
    height: 50%;
    width: 4px;
    background: var(--color-primary);
    border-radius: 0 4px 4px 0;
    box-shadow: 0 0 10px var(--color-primary);
}

.menu-item.active a svg {
    stroke: var(--color-primary);
    transform: scale(1.05);
}

/* Main Area Layout */
.main-viewport {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(at 100% 0%, hsla(260, 85%, 65%, 0.05) 0px, transparent 50%),
        radial-gradient(at 0% 100%, hsla(180, 85%, 45%, 0.03) 0px, transparent 50%);
}

.top-navbar {
    height: 70px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    background-color: hsla(222, 25%, 8%, 0.5);
    backdrop-filter: blur(10px);
    z-index: 50;
    flex-shrink: 0;
}

.page-title h1 {
    font-size: 22px;
    font-weight: 700;
}

.top-navbar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.smtp-status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status-dot.active {
    background: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

.status-dot.inactive {
    background: var(--color-danger);
    box-shadow: 0 0 8px var(--color-danger);
}

/* Page Contents */
.content-wrapper {
    padding: 40px;
    max-width: 1300px;
    width: 100%;
    margin: 0 auto;
    flex-grow: 1;
}

/* Glassmorphism Containers */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(16px);
    transition: var(--transition-smooth);
}

.panel:hover {
    border-color: hsla(0, 0%, 100%, 0.12);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.panel-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 18px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 120px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-soft);
}

.stat-card::before {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--color-primary);
    filter: blur(50px);
    opacity: 0.05;
    top: -60px;
    right: -60px;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: hsla(260, 85%, 65%, 0.25);
    box-shadow: var(--glow-primary);
}

.stat-card:hover::before {
    opacity: 0.1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.stat-value {
    font-size: 32px;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    color: var(--text-primary);
    margin-top: 8px;
}

.stat-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.stat-icon {
    position: absolute;
    right: 20px;
    top: 20px;
    opacity: 0.15;
    color: var(--text-primary);
}

/* Forms styling */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.01em;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--border-glass-focus);
    box-shadow: var(--glow-primary);
    background-color: hsla(222, 25%, 8%, 0.9);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.form-check-input {
    width: 18px;
    height: 18px;
    border-radius: 6px;
    border: 1.5px solid var(--border-color);
    background-color: var(--bg-input);
    appearance: none;
    outline: none;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.form-check-input:checked {
    background: var(--grad-primary);
    border-color: transparent;
}

.form-check-input:checked::before {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 12px;
    font-weight: bold;
    left: 4px;
    top: -1px;
}

/* Custom Select Dropdowns */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='hsl(215, 20%, 65%)' stroke-width='2.5'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

/* Dynamic Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 14.5px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: center;
}

.btn-primary {
    background: var(--grad-primary);
    color: white;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px hsla(260, 85%, 65%, 0.45);
    color: white;
}

.btn-accent {
    background: var(--grad-accent);
    color: var(--bg-base);
    font-weight: 700;
    box-shadow: var(--glow-accent);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px hsla(180, 85%, 45%, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: hsla(0, 0%, 100%, 0.15);
}

.btn-danger {
    background: var(--grad-danger);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px hsla(355, 80%, 55%, 0.3);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Tables Styling */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.table th, .table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13.5px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: hsla(222, 25%, 6%, 0.4);
}

.table td {
    font-size: 14px;
    color: var(--text-primary);
}

.table tbody tr {
    transition: var(--transition-fast);
}

.table tbody tr:hover {
    background-color: hsla(222, 25%, 15%, 0.3);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.badge-success {
    background-color: hsla(142, 70%, 50%, 0.15);
    color: var(--color-success);
    border: 1px solid hsla(142, 70%, 50%, 0.25);
}

.badge-danger {
    background-color: hsla(350, 80%, 60%, 0.15);
    color: var(--color-danger);
    border: 1px solid hsla(350, 80%, 60%, 0.25);
}

.badge-warning {
    background-color: hsla(45, 90%, 55%, 0.15);
    color: var(--color-warning);
    border: 1px solid hsla(45, 90%, 55%, 0.25);
}

.badge-info {
    background-color: hsla(180, 85%, 45%, 0.1);
    color: var(--color-accent);
    border: 1px solid hsla(180, 85%, 45%, 0.2);
}

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 7, 13, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.modal-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: hsl(222, 25%, 10%);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), var(--glow-primary);
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.modal-backdrop.show .modal {
    transform: scale(1);
}

.modal-header {
    padding: 24px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
}

/* Dynamic Drag and Drop Dropzone */
.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    background-color: hsla(222, 25%, 5%, 0.3);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.dropzone:hover {
    border-color: var(--color-primary);
    background-color: hsla(260, 85%, 65%, 0.03);
}

.dropzone svg {
    width: 48px;
    height: 48px;
    stroke: var(--text-secondary);
    stroke-width: 1.5;
}

/* SMTP Log console styling */
.console-box {
    background-color: hsl(222, 25%, 4%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 13px;
    color: #00ff66;
    height: 250px;
    overflow-y: auto;
    white-space: pre-wrap;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.8);
    margin-top: 15px;
    line-height: 1.5;
}

.console-box .log-in { color: #5dade2; }
.console-box .log-out { color: #f4d03f; }
.console-box .log-info { color: #a6acaf; }
.console-box .log-err { color: #e74c3c; font-weight: bold; }

/* Progress bar overrides */
.progress-bar-container {
    width: 100%;
    height: 12px;
    background: var(--bg-input);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.progress-bar {
    height: 100%;
    background: var(--grad-primary);
    width: 0%;
    box-shadow: 0 0 10px hsla(260, 85%, 65%, 0.5);
    transition: width 0.4s ease;
}

/* Template Select Cards */
.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 15px;
}

.template-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    background-color: var(--bg-input);
    cursor: pointer;
    text-align: center;
    transition: var(--transition-smooth);
}

.template-card:hover, .template-card.selected {
    border-color: var(--color-primary);
    background-color: hsla(260, 85%, 65%, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.template-thumbnail {
    height: 100px;
    background-color: rgba(255,255,255,0.02);
    border-radius: 8px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.template-title {
    font-size: 13.5px;
    font-weight: 600;
}

/* File Attachment Pill */
.attachment-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-glass);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12.5px;
    margin-right: 8px;
    margin-bottom: 8px;
}

.attachment-pill .remove-att {
    color: var(--color-danger);
    font-weight: bold;
    cursor: pointer;
}

/* Floating Variable Dropdowns */
.token-badge {
    background-color: hsla(180, 85%, 45%, 0.1);
    color: var(--color-accent);
    border: 1px solid hsla(180, 85%, 45%, 0.25);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-family: monospace;
    cursor: pointer;
    display: inline-block;
    margin-right: 6px;
    margin-bottom: 6px;
    transition: var(--transition-fast);
}

.token-badge:hover {
    background-color: hsla(180, 85%, 45%, 0.2);
    transform: scale(1.05);
}

/* Responsive Grid Utilities */
.grid-2fr-1fr {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}
.grid-3fr-2fr {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 30px;
}
.grid-1fr-1fr {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.grid-1fr-2fr {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
}
.grid-sidebar-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}
.grid-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Hamburger toggle styles */
.hamburger-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    margin-right: 12px;
    align-items: center;
    justify-content: center;
}
.hamburger-btn svg {
    width: 24px;
    height: 24px;
}
.sidebar-close-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 22px;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
}

/* Layout adjustments for smaller viewports */
@media (max-width: 992px) {
    .sidebar {
        width: 80px;
        align-items: center;
    }
    
    .brand-name, .menu-item span {
        display: none;
    }
    
    .sidebar-brand {
        padding: 24px 0;
        justify-content: center;
    }
    
    .menu-item a {
        padding: 12px;
        justify-content: center;
    }
    
    .grid-sidebar-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .hamburger-btn {
        display: inline-flex;
    }
    .sidebar-close-btn {
        display: block;
        margin-left: auto;
    }
    .sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        bottom: 0;
        width: 260px;
        height: 100vh;
        z-index: 1000;
        transition: var(--transition-smooth);
        background-color: var(--bg-sidebar);
    }
    .sidebar.active {
        left: 0;
        box-shadow: 5px 0 25px rgba(0, 0, 0, 0.5);
    }
    .brand-name, .menu-item span {
        display: inline !important;
    }
    .sidebar-brand {
        padding: 24px 20px;
        justify-content: flex-start;
    }
    .menu-item a {
        padding: 12px 18px;
        justify-content: flex-start;
    }
    .top-navbar {
        padding: 0 20px;
    }
    .content-wrapper {
        padding: 20px;
    }
    
    /* Responsive grids stacking on mobile */
    .grid-2fr-1fr,
    .grid-3fr-2fr,
    .grid-1fr-1fr,
    .grid-1fr-2fr,
    .grid-sidebar-layout {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    .grid-3col {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }
    
    /* Stats grid */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    /* Form row */
    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}