/* HiruInvoice - Premium Design System */
:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --accent-primary: #8b5cf6;
    /* Indigo */
    --accent-secondary: #06b6d4;
    /* Cyan */
    --accent-glow: rgba(139, 92, 246, 0.4);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-glass: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
    --transition-speed: 0.3s;
}

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(at 0% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.15) 0px, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Glass Container */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    /* Safari Support */
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Typography */
h1,
h2,
h3 {
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Brand Logo (INVOCIO Style) */
.brand-logo-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--text-main);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    letter-spacing: 0.04em;
    margin: 0;
    line-height: 1;
}

.check-v-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 0.75em;
    height: 1em;
    margin: 0 0.02em;
}

.check-v-mark svg {
    width: 100%;
    height: 100%;
    transform: scale(1.3) translateY(-0.08em);
}

/* Form Elements */
input,
select,
textarea {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-main);
    outline: none;
    transition: var(--transition-speed);
}

input:focus,
select:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    background: -webkit-linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    /* Legacy Support */
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    user-select: none;
    -webkit-user-select: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* Layout Utilities */
.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 5%;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

/* --- RESPONSIVE DESIGN --- */

@media (max-width: 992px) {
    .container {
        max-width: 95%;
        margin: 20px auto;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
        padding: 20px 5%;
    }

    .logo-container {
        flex-direction: column;
    }

    h1 {
        font-size: 1.5rem !important;
    }

    /* Forms */
    input,
    select,
    .btn-primary {
        width: 100% !important;
    }

    /* Generator Table Headers (Hide on mobile) */
    .item-header {
        display: none !important;
    }

    /* Stack Generator Rows */
    .item-row {
        grid-template-columns: 1fr !important;
        background: rgba(255, 255, 255, 0.03);
        padding: 15px;
        border-radius: 12px;
        border: 1px solid var(--border-glass);
        margin-bottom: 20px !important;
        position: relative;
    }

    .item-row::before {
        content: "Service Item";
        font-size: 0.7rem;
        color: var(--accent-secondary);
        text-transform: uppercase;
        margin-bottom: 5px;
    }

    .remove-row-btn {
        position: absolute;
        top: 10px;
        right: 10px;
        width: 30px !important;
        height: 30px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Table Handling */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        min-width: 600px;
        /* Force scroll for stability */
    }

    /* Summaries */
    .total-summary {
        text-align: center !important;
        margin-bottom: 80px;
        /* Space for sticky bar */
    }

    /* Mobile Sticky Action Bar */
    .mobile-sticky-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.9);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        padding: 15px 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 1000;
        box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.5);
        animation: slideUp 0.4s ease-out;
    }

    @keyframes slideUp {
        from {
            transform: translateY(100%);
        }

        to {
            transform: translateY(0);
        }
    }

    .mobile-sticky-bar .sticky-total {
        display: flex;
        flex-direction: column;
    }

    .mobile-sticky-bar .sticky-total span:first-child {
        font-size: 0.7rem;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .mobile-sticky-bar .sticky-total .total-val {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--accent-secondary);
    }

    .mobile-sticky-bar .btn-primary {
        width: auto !important;
        padding: 12px 25px !important;
        box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
    }
}

@media (min-width: 993px) {
    .mobile-sticky-bar {
        display: none !important;
    }
}

/* Password Toggle Styles */
.password-wrapper {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
}

.toggle-password-btn {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.2rem;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
    user-select: none;
}

.toggle-password-btn:hover {
    color: var(--accent-secondary);
}

@media (max-width: 480px) {
    .glass-card {
        padding: 20px !important;
    }

    .gradient-text {
        font-size: 1.3rem !important;
    }
}

/* --- ADMIN DASHBOARD CARD LAYOUT --- */
.invoice-card-row {
    display: grid;
    grid-template-columns: 0.8fr 1.3fr 2fr 1.2fr 260px;
    align-items: center;
    gap: 20px;
    background: rgba(255, 255, 255, 0.03);
    padding: 20px 25px;
    border-radius: 16px;
    border: 1px solid var(--border-glass);
    transition: transform 0.2s, background 0.2s, border-color 0.2s;
}

.invoice-card-row:hover {
    background: rgba(6, 182, 212, 0.05);
    transform: translateY(-2px);
    border-color: rgba(6, 182, 212, 0.3);
}

.inv-col-date .inv-date {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.inv-col-date .inv-storage {
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 700;
    margin-top: 5px;
    letter-spacing: 0.05em;
}

.inv-col-id {
    font-weight: 700;
    color: var(--accent-secondary);
    font-size: 1.1rem;
    letter-spacing: 0.02em;
}

.inv-col-client .inv-client {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-main);
}

.inv-col-client .inv-proj {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.inv-col-total {
    font-weight: 800;
    font-size: 1.25rem;
}

.inv-col-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.inv-col-actions button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

/* PC-only Header Row for Admin List */
.list-header-row {
    display: grid;
    grid-template-columns: 0.8fr 1.3fr 2fr 1.2fr 260px;
    align-items: center;
    gap: 20px;
    padding: 0 25px 15px 25px;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-glass);
    margin-bottom: 15px;
}

@media (max-width: 992px) {
    .list-header-row {
        display: none;
    }

    .invoice-card-row {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 12px;
    }

    .inv-col-actions {
        margin-top: 10px;
        justify-content: flex-start;
    }
}

/* FREE Text Utility */
.free-text {
    color: var(--accent-secondary) !important;
    font-weight: 700 !important;
    letter-spacing: 0.05em;
}